化学成绩差怎么复习,要上初三了,再这么下去会影响中考的

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\u738b\u4e91\u5de7\u603b\u7ed3\u4e86\u8003\u751f\u5728\u6784\u5efa\u77e5\u8bc6\u7f51\u7edc\u65f6\u5e94\u8be5\u9075\u5faa\u7684\u987a\u5e8f\uff1a\u9605\u8bfb\u56de\u987e\u2192\u5efa\u7acb\u7f51\u7edc\u2192\u63d0\u51fa\u95ee\u9898\u2192\u4ea4\u6d41\u4e0e\u5171\u4eab\u2192\u53cd\u601d\u8bc4\u4ef7\u2192\u5de9\u56fa\u7ec3\u4e60\u2192\u77eb\u6b63\u63d0\u9ad8\u3002

\u8bef\u533a\u4e09\uff1a\u53ea\u91cd\u7ed3\u679c\u4e0d\u91cd\u8fc7\u7a0b

\u738b\u4e91\u5de7\u8bf4\uff0c\u5728\u89e3\u7b54\u95ee\u9898\u65f6\uff0c\u90e8\u5206\u8003\u751f\u5c06\u7b54\u6848\u76f4\u63a5\u5199\u51fa\u6765\uff0c\u5ffd\u7565\u4e86\u89e3\u9898\u8fc7\u7a0b\u7684\u8be6\u7ec6\u63cf\u8ff0\u3002\u5b9e\u9645\u4e0a\uff0c\u8003\u67e5\u4e00\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u662f\u8981\u8003\u67e5\u8003\u751f\u89e3\u51b3\u95ee\u9898\u7684\u80fd\u529b\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u8981\u7ed3\u679c\uff0c\u5fc5\u8981\u7684\u8bed\u8a00\u53d9\u8ff0\u548c\u91cd\u8981\u7684\u89e3\u9898\u6b65\u9aa4\uff0c\u5728\u4e2d\u8003\u9605\u5377\u4e2d\u5360\u6709\u5f88\u5927\u5206\u503c\u3002

\u8bef\u533a\u56db\uff1a\u53ea\u91cd\u505a\u9898\u4e0d\u91cd\u57fa\u7840

\u201c\u6709\u7684\u540c\u5b66\u8ba4\u4e3a\uff0c\u590d\u4e60\u5c31\u5e94\u8be5\u5927\u91cf\u505a\u9898\uff0c\u6068\u4e0d\u5f97\u628a\u5386\u5e74\u4e2d\u8003\u9898\u4e00\u7f51\u6253\u5c3d\uff0c\u8fd9\u6837\u4e2d\u8003\u5c31\u53ef\u4ee5\u7acb\u4e8e\u4e0d\u8d25\u4e4b\u5730\uff0c\u5176\u5b9e\u8fd9\u6837\u7684\u60f3\u6cd5\u6839\u672c\u4e0d\u73b0\u5b9e\u3002\u201d\u738b\u4e91\u5de7\u8bf4\uff0c\u590d\u4e60\u65f6\u7684\u5927\u5bb9\u91cf\uff0c\u4e0d\u7b49\u4e8e\u5b8c\u5168\u638c\u63e1\u4e86\u77e5\u8bc6\uff0c\u8003\u751f\u8fd8\u662f\u8981\u4ece\u57fa\u7840\u6293\u8d77\uff0c\u57f9\u517b\u89e3\u51b3\u95ee\u9898\u7684\u80fd\u529b\uff0c\u800c\u4e0d\u662f\u4e00\u5473\u5730\u9677\u5165\u9898\u6d77\u6218\u672f\u4e2d\uff0c\u6d6a\u8d39\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u65f6\u95f4\u3002

\u8f6c\u8d34\u4e8e\uff1a\u8003\u8bd5\u5927_\u521d\u4e2d\u5347\u5b66\u8003\u8bd5

\u5316\u5b66
\u4e00\uff0e \u7ed3\u6784
\u539f\u5b50 \u79bb\u5b50 \u5206\u5b50
\u539f\u5b50\u7684\u7ed3\u6784 \u300a\u5b50\u6838\u548c\u6838\u5916\u7535\u5b50\u300b \u3008\u539f\u5b50\u6838\u5305\u62ec\u4e2d\u5b50\u548c\u8d28\u5b50\u3009
\u79bb\u5b50 \u539f\u5b50\u5f97\u5230\u6216\u8005\u5931\u53bb\u7535\u5b50\u540e \u5c31 \u6210\u4e86\u79bb\u5b50
\u5206\u5b50 \u75312\u4e2a\u6216\u80052\u4e2a\u4ee5\u4e0a\u7684\u539f\u5b50\u591f\u6210\u7684\u53eb\u5206\u5b50
\u5143\u7d20 \u4e00\u79cd\u7269\u8d28\u91cc\u9762\u542b\u6709\u7684\u539f\u5b50\u7684\u79cd\u7c7b \u4f8b\u5982 \u6c34\u3008H2O\u3009\u662f\u6c34\u5206\u5b50\u6784\u6210\u7684 \u53c8\u662f \u6c27\u5143\u7d20\u548c\u6c22\u5143\u7d20\u6784\u6210\u7684 \u65bd\u6765\u6069\u548c\u65bd\u6c6a \u53d1\u73b0\u539f\u5b50\u7684
\u539f\u5b50\u4e4b\u6240\u4ee5\u4e0d\u540c \u662f\u56e0\u4e3a\u8d28\u5b50\u6570\u4e0d\u540c \u3008\u6c278\u4e2a \u6c221\u4e2a \u78b36\u4e2a\u3009\u6240\u4ee5\u56f4\u7ed5\u4e2d\u5b50\u7684\u591a\u5c11\u6211\u95e8\u53c8\u53d1\u73b0\u4e86 \u540c\u4f4d\u7d20 \u8d28\u5b50\u76f8\u540c \u79cd\u5b50\u6570\u4e0d\u540c

\u7269\u8d28\u7684\u5206\u7c7b \u2460\u5355\u8d28\u548c\u5316\u5408\u7269
\u5355\u8d28\u662f\u4e00\u4e2a\u7269\u4f53\u5168\u90e8\u90fd\u662f\u4e00\u79cd\u5143\u7d20\u6784\u6210\u7684
\u5316\u5408\u7269\u662f\u75312\u79cd\u6216\u80052\u79cd\u4ee5\u4e0a\u7684\u5143\u7d20\u591f\u6210\u7684
\u2461\u7eaf\u51c0\u7269\u548c\u6df7\u5408\u7269
\u7eaf\u51c0\u7269\u662f\u53ea\u6709\u4e00\u79cd\u5206\u5b50\u6216\u8005\u53ea\u6709\u4e00\u79cd\u539f\u5b50\u6784\u6210\u7684\u4e0d\u542b\u6709\u4ed6\u7684\u7684\u5206\u5b50
\u4f8b\u5982 \u7a7a\u6c14\u4e2d\u6709\u6c27 \u6709\u6c2e \u4ed6\u4eec\u6df7\u5408\u5728\u4e00\u8d77\u5c31\u662f\u6df7\u5408\u7269\u4e86 \u4f46\u662f\u84b8\u998f\u6c34\u662f\u7eaf\u51c0\u7269\u54e6
\u4e8c\uff0e \u5316\u5b66\u5f0f
\u5148\u6211\u4eec\u8981\u4e86\u89e3\u91cc\u9762\u7684\u6570\u5b57\u7684\u542b\u4e49
H20 \u6216\u8005C02 \u90a3\u4e2a2\u5728\u5b57\u6bcd\u7684\u53f3\u4e0b\u65b9\u3008\u5c0f\u5199\u7684\u3009 \u8868\u793a \u8fd9\u4e2a\u5206\u5b50\u91cc\u9762\u67092\u4e2a\u6c22\u539f\u5b50 \u540e\u9762\u7684\u8868\u793a\u67092\u4e2a\u6c27\u539f\u5b50
2CO \u8868\u793a\u67092\u4e2a\u4e00\u6c27\u5316\u78b3 \u5728\u5316\u5b66\u5f0f\u524d\u9762\u7684\u3008\u5927\u5199\u7684\u3009\u6570\u5b57\u8868\u793a\u8be5\u539f\u5b50\u3008\u6216\u5206\u5b50\u3009\u7684\u4e2a\u6570
CL`` \u8868\u793a\u4e00\u4e2a\u79bb\u5b50 \u5728\u5b57\u6bcd\u7684\u53f3\u4e0a\u89d2\u76842\u2014 \u6216\u80052+\u8868\u793a\u4ed6\u7684\u7535\u8377\u65702+\u8868\u793a\u5931\u53bb2\u4e2a\u7535\u5b50 \u56e0\u4e3a\u7535\u5b50\u5e26\u8d1f\u7535
\u5316\u5408\u4ef7 \u5e38\u89c1\u7684 \u91d1\u5c5e\u4e00\u822c\u663e\u6b63\u4ef7
\u94c1 Fe \u6b633\u6216\u8005\u6b632
Al \u94dd \u6b633
H \u6c22 \u6b631
\u9530 Mn \u6b634
\u6c27 O \u8d1f2
\u94dc C u \u6b632
\u786b S \u6b636
\u78b3 C +4\u6216\u8005+2
\u9541 Mg +2
\u94be K \u6b631
Ca \u9499 \u6b632
\u950c Zn\u6b632
\u786b\u9178\u6839SO4 \u8d1f2
Cl \u6c2f\u9178\u6839 \u8d1f1
\u6c22\u6c27\u6839 OH \u8d1f1
CO3 \u78b3\u9178\u6839 \u8d1f2
NO3 \u785d\u9178\u6839 \u8d1f1
NH4 \u6c28\u6839 \u6b63\u4e00
\u5199\u6cd5 \u628a\u6b63\u4ef7\u7684\u90fd\u5199\u5728\u524d\u9762 \u628a\u8d1f\u4ef7\u7684\u5199\u5728\u540e\u9762 \u4f8b\u5982H2O \u201cH\u662f\u6b63\u4ef7\u7684 O\u7684\u8d1f\u4ef7\u7684\u201d
\u8bfb\u6cd5 \u4ece\u540e\u9762\u5411\u524d\u9762\u8bfb \u4f8b\u5982 Na2SO4 \u201c\u524d\u9762\u7684Na\u662f\u94a0 \u540e\u9762\u7684\u662f\u786b\u9178\u6839 \u540e\u5411\u524d\u8bfb \u8bfb\u505a\u786b\u9178\u94a0\u201d

\u8fd8\u6709\u5efa\u8bae\u4f60\u53bb\u80cc \u95e8\u6377\u5217\u592b\u7684 \u5143\u7d20\u5468\u671f\u8868 \u524d40\u4e2a \u8981\u77e5\u9053\u5e38\u89c1\u7684\u7269\u8d28\u7684\u7b26\u53f7 \u522b\u628aAu\uff08\u91d1\uff09\u5f53\u4f5c\u662f\u94c1\uff08Fe\uff09\u5c31\u53ef\u4ee5\u4e86
\u4e0d\u7528\u80cc\u4ed6\u95e8\u7684\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf \u8003\u8bd5\u7684\u65f6\u5019\u4f1a\u7ed9\u7684

\u5224\u65ad\u8fd9\u79cd\u4e1c\u897f\u662f\u4e0d\u662f\u5b58\u5728\u9760\u5316\u5408\u4ef7
\u5316\u5408\u4ef7\u4e3a0 \u8fd9\u4e1c\u897f\u5b58\u5728 \u4f8b\u5982 H20 \u6c27\u662f\u8d1f2\u4e2a\u6c22\u662f\u6b631\u7684 2*1+-2=0 \u5b58\u5728
CO2 C\u6b634 O\u8d1f2 \u4e00\u8d77\u8fd8\u662f0 \u5b58\u5728

\u4e09\uff0e \u5316\u5b66\u65b9\u7a0b\u5f0f
\u8868\u793a\u4e00\u79cd\u5316\u5b66\u53d8\u5316\u7684\u5f0f\u5b50\u53eb\u5316\u5b66\u65b9\u7a0b\u5f0f
2H2+02\u71c3\u70e7=2H20 \u6c22\u6c14\u5728\u7a7a\u6c14\u4e2d\u71c3\u70e7\u540e\u53d8\u6210H20 \u6c34
\u2191\u5de6\u8fb9\u662f\u53cd\u5e94\u7269 \u53f3\u8fb9\u7684\u662f\u751f\u6210\u7269 \u800c\u7b49\u53f7\u4e0a\u9762\u7684\u662f\u53cd\u5e94\u7684\u6761\u4ef6
\u5316\u5b66\u53d8\u5316\u7684\u9274\u522b\u65b9\u5f0f \u662f\u770b\u662f\u5426\u6709\u65b0\u7684\u7269\u8d28\u751f\u6210
\u5b9e\u9a8c\u5ba4\u91cc\u9762\u7684\u5316\u5b66\u53cd\u5e94
2KmnO4\u52a0\u70ed=K2Mn04+Mn02+02\u2191 \u5236\u53d6\u6c27\u6c14\u7684 \u5f0f\u5b50
2KCl03\u52a0\u70ed=2KCl+3O2\u2191 \u540c\u4e0a
2Na +2H20 = 2NaOH+ H2\u2191 \u5236\u53d6\u6c22\u6c14\u7684
CaO+H2O=Ca\uff08OH\uff092 \u751f\u77f3\u7070+\u6c34 \u751f\u6210 \u719f\u77f3\u7070\u3008\u77f3\u7070\u6c34\u3009
2H202=2H20 + 02\u2191 \u53cc\u6c27\u6c34\u5236\u53d6\u6c27\u6c14 \u3008\u8fde\u63a5\uff1a\u53cc\u6c27\u6c34\u6709\u6d88\u6bd2\u529f\u80fd\u3009
Ca\uff08OH\uff092+CO2=CaCO3\u2193+H2O \u628a\u4e8c\u6c27\u5316\u78b3\u901a\u5165\u6f84\u6e05\u7684\u77f3\u7070\u6c34\u4e2d \u77f3\u7070\u6c34\u53d8\u6d51\u6d4a
Fe + H2SO4= FeSO4 +H2\u2191 \u94c1\u548c\u7a00\u786b\u9178\u53cd\u5e94\u751f\u6210\u786b\u9178\u4e9a\u94c1
Fe 2O3+ 3H2SO4= Fe2(SO4)3 +3H2O \u6c27\u5316\u94c1\u548c\u7a00\u786b\u9178\u53cd\u5e94\u751f\u6210\u786b\u9178\u94c1
\uff08+3\u4ef7\u7684\u94c1\u624d\u53eb\u94c1 +2\u4ef7\u7684\u94c1\u5c31\u53eb\u4e9a\u94c1\u54e6 \u5982\u4e0a\u9762\u76842\u6761\u5f0f\u5b50\uff09
2H2+O2=2H20 \u6c22\u6c14\u5728\u7a7a\u6c14\u4e2d\u71c3\u70e7\u751f\u6210\u6c34
2H20=2H2\u2191+O2\u2191 \u7535\u89e3\u6c34\u751f\u6210\u6c22\u6c14\u548c\u6c27\u6c14
Fe2O3+3CO2=2Fe+CO2 \u9ad8\u7089\u7ec3\u94c1 \u53c8\u53eb\u8fd8\u539f\u6c27\u5316\u94c1
CuO+H2=Cu+H2O \u5b9e\u9a8c\u5ba4\u91cc\u9762\u7684\u8fd8\u539f\u6c27\u5316\u94dc
BaCl2+H2SO4=BaSO4\u2193+2HCl \u6c2f\u5316\u94a1\u548c\u786b\u53cd\u5e94\u751f\u6210\u767d\u8272\u6c89\u6dc0\uff08BaSO4\uff09\u6240\u4ee5\u6c2f\u5316\u94a1\u53ef\u4ee5\u7528\u6765\u68c0\u9a8c\u8be5\u7269\u8d28\u662f\u4e0d\u662f\u542b\u6709\u786b\u9178\u6839
AgNO3+HCl=AgCl\u2193+HNO3 \u785d\u9178\u94f6\u548c\u76d0\u9178\u53cd\u5e94\u751f\u6210\u767d\u8272\u6c89\u6dc0\uff08AgCl\uff09\u6240\u4ee5\u785d\u9178\u94f6\u53ef\u4ee5\u7528\u6765\u68c0\u9a8c\u8be5\u7269\u8d28\u662f\u4e0d\u662f\u542b\u6709\u6c2f\u9178\u6839
\u4ee5\u4e0a\u5c31\u662f\u57fa\u672c\u6765\u53cd\u5e94\u4e86
\u5217\u65b9\u7a0b\u5f0f\u65b9\u6cd5\u7684
\u2460 \u5728\u7b49\u53f7\u5de6\u53f3\u5404\u5199\u51fa\u53cd\u5e94\u7269\u548c\u751f\u6210\u7269
\u2461 \u914d\u5e73 \u5c31\u662f\u5de6\u8fb9\u6709\u4ec0\u4e48\u539f\u5b50\u6709\u591a\u5c11\u4e2a \u90fd \u7b49\u4e8e\u53f3\u8fb9\u7684\u5168\u90e8\u539f\u5b50
1\uff0e \u77e5\u9053\u4e86\u6c22\u6c14\u5728\u7a7a\u6c14\u4e2d\u71c3\u70e7\u751f\u6210\u6c34\u540e
2\uff0e \u5217\u51fa\u5f0f\u5b50 H2+O2=H2O \u5f88\u660e\u663e \u5de6\u8fb9\u67092\u4e2aO \u4f46\u662f\u53f3\u8fb9\u53ea\u6709\u4e00\u4e2a
3\uff0e \u914d\u5e73 \u5728H2\u524d\u9762\u52a02 \u5728\u540e\u9762\u751f\u6210\u7684H2O\u524d\u4e5f\u52a02
\u53d8\u6210 2H20=2H2+O2
4\uff0e \u6ce8\u610f\u8fd8\u6ca1\u5b8c \u5982\u679c\u53cd\u5e94\u7269\u91cc\u9762\u6ca1\u6c14\u4f53\u7684 \u800c\u540e\u9762\u6709\u6c14\u4f53\u7684\u8bdd\u8981\u52a0\u2191\u54e6
\u6240\u4ee5\u6700\u540e\u7684\u5f0f\u5b50\u5e94\u8be5\u662f2H20=2H2\u2191+O2\u2191
\u56db\uff0e \u53cd\u5e94\u4e86\u7c7b\u578b
\u6700\u57fa\u672c\u7684\u56db\u4e2a\u7c7b\u578b \u5316\u5408 \u5206\u89e3 \u7f6e\u6362 \u590d\u5206\u89e3
\u2460 \u5316\u5408 2\u79cd\u7269\u8d28\u4f5c\u80052\u79cd\u4ee5\u4e0a\u7269\u8d28\u751f\u6210\u4e00\u79cd\u7269\u8d28 \u4f8b\u5b50\u5982\u4e0b
CaO+H2O=Ca\uff08OH\uff092
2H2+O2=2H20
\u2461 \u5206\u89e3 \u521a\u521a\u597d\u548c\u5316\u5408\u76f8\u53cd \u662f\u4e00\u79cd\u7269\u8d28\u53cd\u5e94\u751f\u62102\u79cd\u6216\u80052\u79cd\u4ee5\u4e0a\u7269\u8d28
2KmnO4\u52a0\u70ed=K2Mn04+Mn02+02\u2191
2KCl03\u52a0\u70ed=2KCl+3O2\u2191
2H202=2H20 + 02\u2191
\u2462 \u7f6e\u6362 \u4e00\u79cd\u5355\u8d28\u628a\u5176\u4ed6\u7269\u8d28\u91cc\u7684\u5355\u8d28\u7f6e\u6362\u51fa\u6765
Fe + H2SO4= FeSO4 +H2\u2191
\u2463 \u590d\u5206\u89e3 2\u79cd\u5316\u5408\u7269\u4ea4\u6362\u6210\u5206 \uff08AB+CD=AC+BD\uff09
BaCl2+H2SO4=BaSO4\u2193+2HCl
AgNO3+HCl=AgCl\u2193+HNO3

\u8fd8\u6709\u4e00\u4e9b\u4e5f\u662f\u4e0d\u662f\u57fa\u672c\u7684
\u8fd8\u539f\u53cd\u5e94 \u628a\u6c27\u7f6e\u6362\u51fa\u6765\u7684\u53cd\u5e94
\u6c27\u5316\u53cd\u5e94 \u5f97\u5230\u6c27\u7684\u7684\u53cd\u5e94
\u4e2d\u548c\u53cd\u5e94 \u9178\u548c\u78b1\u7684\u53cd\u5e94
\u4e94\uff0e \u8ba1\u7b97
\u2460 \u8bbe\u4f60\u8981\u6c42\u7684\u4e1c\u897f\u4e3aX
\u2461 \u5217\u5df2\u7ecf\u914d\u5e73\u7684\u65b9\u7a0b\u5f0f
\u2462 \u5728\u8981\u6c42\u7684\u548c\u5df2\u7ecf\u77e5\u9053\u7684\u5316\u5b66\u5f0f\u4e0b\u9762\u5199\u4e0d\u4ed6\u95e8\u7684\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf
\u2463 \u7ed9\u51fa\u5b9e\u9645\u7684\u5df2\u7ecf\u77e5\u9053\u7684
\u2464 \u5217\u51fa\u65b9\u7a0b \u6c42\u51fa\u7ed3\u679c
\u2465 \u7b54
\u4f8b\u5b50 \u9898\u76ee\u67094g\u7684\u6c22\u6c14\u5728\u7a7a\u6c14\u4e2d\u71c3\u70e7\u540e\u751f\u6210\u591a\u5c11g\u7684\u6c34\uff1f
\u89e3\uff1a\u8bbe\u751f\u6210Xg\u7684\u6c34 \u2460\u8981\u6c42\u6c34\u6240\u4ee5\u8bbe\u6c34\u4e3aX
2H2 + O2 = 2H20 \u2461 \u5df2\u7ecf\u914d\u5e73\u7684\u65b9\u7a0b\u5f0f
4 36 \u2462\u56e0\u4e3a\u8981\u6c42\u6c34\u548c\u5df2\u77e5\u6c22 \u5c31\u53ea\u5217\u6c34\u548c\u6c22\u7684\u5c31\u597d\u4e86
4g X \u2463\u628a\u77e5\u9053\u7684\u6c22\u548c\u672a\u77e5\u6570\u5217\u8fdb\u53bb
4/4g=36/X \u2464 \u5217\u51fa\u65b9\u7a0b
X=36g \u2465\u6c42\u51fa\u7ed3\u679c
\u7b54\uff1a\u751f\u621036g\u7684\u6c34 \u2466 \u5b8c\u7f8e
\u516d\uff0e \u9178\u78b1\u76d0
\u2460 \u9178 \u91cc\u9762\u4e00\u5b9a\u8981\u6709H\u79bb\u5b50 \u7b80\u5355\u7684\u8bf4\u5c31\u662f\u4e00\u4e2a\u9178\u6839\u52a0\u4e0a\u6c22\u800c\u5df2
\u786b\u9178\u6839SO4 \u8d1f2
Cl \u6c2f\u9178\u6839 \u8d1f1
CO3 \u78b3\u9178\u6839 \u8d1f2
NO3 \u785d\u9178\u6839 \u8d1f1
\u52a0\u4e0a\u6c22\u5c31\u6210\u4e86 HCl H2CO3 H2SO4 HNO3 \u90fd\u662f\u9178

\u2461 \u78b1 \u90fd\u6709OH \u5e76\u4e14\u6709\u4e00\u4e2a\u91d1\u5c5e\u79bb\u5b50\u5c31\u53ef\u4ee5\u4e86
\u91d1\u5c5e\u79bb\u5b50 Na\u94a0 AL \u94dd Cu\u94dc \u603b\u4e4b\u6709\u91d1\u5b57\u65c1\u7684\u5c31\u597d\u4e86
\u6240\u4ee5 \u6709NaOH CuOH ALOH \u5f88\u591a\u5f88\u591a \u8fd9\u5c31\u662f\u8981\u4f60\u80cc\u524d40\u4e2a\u7684\u539f\u56e0\u4e86
\u2462 \u76d0 \u6709\u78b1\u7684\u7279\u70b9 \u4e5f\u6709\u9178\u7684\u7279\u70b9\u53eb\u505a\u76d0
\u78b1\u7684\u7279\u70b9 \u91d1\u5c5e\u79bb\u5b50 \u9178\u7684\u7279\u70b9 \u9178\u6839 \u5c31\u53ef\u4ee5\u4e86
\u6709CuSO4 AgCl NaCl \u81ea\u5df1\u60f3\u60f3 \u6211\u53ef\u80fd\u5168\u90e8\u5217\u51fa\u6765\u5417\uff1f
\u4e03\uff0e \u9178\u78b1\u76d0\u53cd\u5e94
\u78b1\u53ef\u4ee5\u548c\u4ee5\u4e0b\u7684\u53cd\u5e94(\u5224\u65ad\u6210\u7acb\u4e0e\u5426\u8981\u770b\u6709\u6ca1\u6c14\u4f53 \u6c89\u6dc0 \u6216\u6c34 \u751f\u6210)
\u2460 \u9178 HCl+NaOH=H2O+NaCl
\u2461 \u975e\u91d1\u5c5e\u6c27\u5316\u7269\uff08SO2 CO2\u7b49\uff09 Ca(OH)2+CO2=CaCO3+H2O
\u2462 \u76d0 CuSO4+2NaOH=Cu(OH)2\u2193+NaSO4
\u9178\u53ef\u4ee5\u548c\u4ee5\u4e0b\u7684\u53cd\u5e94
\u2460 \u78b1 NaOH + H2SO4= Na2SO4+ H2O
\u2461 \u91d1\u5c5e\u5355\u8d28 Fe + H2SO4= FeSO4 +H2\u2191
\u2462 \u91d1\u5c5e\u6c27\u5316\u7269 Fe 2O3+ 3H2SO4= Fe2(SO4)3 +3H2O
\u2463 \u76d0 BaCl2+H2SO4=BaSO4\u2193+2HCl
\u76d0\u53ef\u4ee5\u548c\u4ee5\u4e0b\u7684\u53cd\u5e94
\u2460 \u78b1 CuSO4+2NaOH=Cu(OH)2\u2193+NaSO4
\u2461 \u9178 BaCl2+H2SO4=BaSO4\u2193+2HCl
\u2462 \u8fd8\u53ef\u4ee5\u5f88\u76d0\u53cd\u5e94 \u4e0d\u8fc7\u4ed6\u95e8\u90fd\u8981\u53ef\u4ee5\u5bb9\u5728\u6c34\u4e2d
AgNO3+NaCl=AgCl\u2193+NaNO3
\u53ea\u8981\u4f60\u7ec6\u5fc3\u70b9 \u52aa\u529b\u80cc\u597d\u4ee5\u4e0a\u7684 \u76f8\u4fe1\u4f60\u53ef\u4ee5\u6210\u529f\u7684

\u4e00\uff0e\u8fd1\u5e74\u4e2d\u8003\u5316\u5b66\u8d8b\u52bf\u5206\u6790

\u5206\u6790\u8fd1\u5e74\u7684\u6211\u7701\u7684\u4e2d\u8003\u547d\u9898\uff0c\u8bd5\u9898\u8868\u73b0\u51fa\u56db\u591a\u4e09\u5c11\uff1a\u5373\u5927\u7eb2\u89c4\u5b9a\u7684\u91cd\u70b9\u5185\u5bb9\u4e0e\u793e\u4f1a\u5b9e\u9645\u548c\u5b66\u751f\u751f\u6d3b\u5b9e\u9645\u8054\u7cfb\u8fdb\u884c\u547d\u9898\u589e\u591a\uff1b\u6709\u5229\u4e8e\u68c0\u67e5\u5b66\u751f\u521b\u65b0\u610f\u8bc6\u548c\u5b9e\u8df5\u80fd\u529b\u7684\u4e3b\u89c2\u6027\u3001\u5f00\u653e\u6027\u547d\u9898\u589e\u591a\uff1b\u4e0e\u5b9e\u9a8c\u8003\u67e5\u6709\u5173\u7684\u547d\u9898\u589e\u591a\uff1b\u8de8\u5b66\u79d1\u7684\u77e5\u8bc6\u8054\u7cfb\u6765\u89e3\u51b3\u7efc\u5408\u6027\u5316\u5b66\u95ee\u9898\u7684\u547d\u9898\u589e\u591a\u3002\u4f46\u5bf9\u4e8e\u5316\u5b66\u77e5\u8bc6\u6b7b\u8bb0\u786c\u80cc\u7684\u547d\u9898\u5927\u5927\u51cf\u5c11\uff1b\u504f\u9898\u3001\u602a\u9898\u548c\u7e41\u7410\u7684\u6eb6\u89e3\u5ea6\u8ba1\u7b97\u9898\u4e5f\u5927\u5927\u51cf\u5c11\uff1b\u96be\u9898\u548c\u8bd5\u9898\u7684\u603b\u6570\u91cf\u6709\u6240\u51cf\u5c11\u3002

\u4e8c\uff0e\u91cd\u70b9\u3001\u96be\u70b9\u3001\u70ed\u70b9

1\uff0e\u8003\u67e5\u7684\u91cd\u70b9

\uff081\uff09\u7269\u7406\u53d8\u5316\u548c\u5316\u5b66\u53d8\u5316\u7684\u5224\u65ad

\uff082\uff09\u7eaf\u51c0\u7269\u3001\u6df7\u5408\u7269\u3001\u5355\u8d28\u3001\u5316\u5408\u7269\u53ca\u5176\u8fa8\u6790

\uff083\uff09\u5316\u5b66\u5f0f\u548c\u5316\u5b66\u65b9\u7a0b\u5f0f\u7684\u4e66\u5199\u53ca\u6b63\u8bef\u8fa8\u6790

\uff084\uff09\u5316\u5408\u4ef7\u7684\u63a8\u65ad\u53ca\u5176\u4e0e\u539f\u5b50\u7684\u7ed3\u6784\u7684\u5173\u7cfb

\uff085\uff09\u5143\u7d20\u7b26\u53f7\u5468\u56f4\u5c0f\u6570\u5b57\u7684\u4e66\u5199\u53ca\u610f\u4e49\u3001\u5316\u5b66\u5f0f\u7684\u610f\u4e49

\uff086\uff09\u91d1\u5c5e\u6d3b\u52a8\u6027\u548c\u6eb6\u6db2\u7684\u9178\u78b1\u6027

\uff087\uff09\u9178\u3001\u78b1\u3001\u76d0\u548c\u6c27\u5316\u7269\u7684\u6982\u5ff5\u548c\u8bc6\u522b

\uff088\uff09\u56db\u79cd\u57fa\u672c\u53cd\u5e94\u7c7b\u578b

\uff089\uff09O2\u3001H2\u3001C\u3001CO\u3001CO2\u3001H2O\u7684\u6027\u8d28\uff08\u6c27\u5316\u6027\u3001\u8fd8\u539f\u6027\u3001\u53ef\u71c3\u6027\u3001\u7a33\u5b9a\u6027\u7b49\uff09\u53ca\u5176\u6bd4\u8f83\u4e0e\u9274\u522b

\uff0810\uff09\u5e38\u89c1\u6c14\u4f53\uff08H2\u3001O2\u3001CO2\uff09\u7684\u5236\u53d6\u3001\u6536\u96c6\u3001\u68c0\u9a8c\u548c\u63d0\u7eaf

\uff0811\uff09\u7269\u8d28\u7684\u5236\u53d6\u3001\u9664\u6742\u3001\u5e72\u71e5\u3001\u8f6c\u5316\u68c0\u9a8c\u3001\u5c3e\u6c14\u7684\u5904\u7406\u7b49\u7efc\u5408\u5b9e\u9a8c

\uff0812\uff09\u5e38\u89c1\u9178\u3001\u78b1\u3001\u76d0\u7684\u6027\u8d28\u548c\u9664\u6742\u3001\u8f6c\u5316\u3001\u9274\u522b

\uff0813\uff09\u5316\u5b66\u5f0f\u3001\u5316\u5b66\u65b9\u7a0b\u5f0f\u3001\u6eb6\u89e3\u5ea6\u7684\u7406\u89e3\u548c\u8d28\u91cf\u767e\u5206\u6bd4\u6d53\u5ea6\u7684\u6709\u5173\u8ba1\u7b97

2\uff0e\u8003\u67e5\u7684\u96be\u70b9

\uff081\uff09 \u4ece\u8003\u70b9\u7684\u5185\u5bb9\u4e0a\u770b\uff1a

\u2460 \u591a\u79cd\u7269\u8d28\u95f4\u53ef\u80fd\u53d1\u751f\u53cd\u5e94\u7684\u5224\u65ad\uff1b

\u2461 \u7269\u8d28\uff08\u79bb\u5b50\uff09\u7684\u9274\u522b\u3001\u63d0\u7eaf\u548c\u9664\u6742\uff1b

\u2462 \u7528\u89c4\u5f8b\u6216\u539f\u7406\u89e3\u91ca\u6216\u8bf4\u660e\u95ee\u9898\uff1b

\u2463 \u7efc\u5408\u5b9e\u9a8c\uff1b

\u2464 \u8d28\u91cf\u767e\u5206\u6bd4\u6d53\u5ea6\u3001\u5316\u5b66\u65b9\u7a0b\u5f0f\u7684\u7efc\u5408\u8ba1\u7b97\u3002

\u8fd9\u7c7b\u96be\u70b9\u96be\u5728\u5404\u77e5\u8bc6\u7684\u672c\u8d28\u533a\u522b\u4e0e\u5185\u5728\u8054\u7cfb\u57fa\u7840\u4e0a\uff0c\u8fdb\u4e00\u6b65\u8fdb\u884c\u6bd4\u8f83\u3001\u7c7b\u63a8\u3001\u89e3\u91ca\u6216\u8ba1\u7b97\uff0c\u96be\u5728\u7f3a\u4e4f\u6e05\u6670\u7684\u89e3\u9898\u601d\u8def\u548c\u89e3\u9898\u65b9\u6cd5\u4e0a\u3002

\uff082\uff09\u4ece\u9898\u578b\u4e0a\u770b\uff1a\u6709\u6ce8\u91cd\u80fd\u529b\u7684\u8ba8\u8bba\u9898\u3001\u63a8\u65ad\u9898\u3001\u5b9e\u9a8c\u8bbe\u8ba1\u9898\u3001\u5f00\u653e\u6027\u95ee\u7b54\u9898\u3001\u63a2\u7a76\u6027\u7684\u7efc\u5408\u9898\u3001\u7efc\u5408\u8ba1\u7b97\u9898\uff0c\u4ee5\u53ca\u4e00\u4e9b\u7406\u8bba\u8054\u7cfb\u5b9e\u9645\u95ee\u9898\u7684\u6c42\u89e3\u3002

3\uff0e\u8003\u67e5\u7684\u70ed\u70b9

\uff081\uff09\u73af\u5883\u4e0e\u5316\u5b66\uff0c\uff082\uff09\u80fd\u6e90\u4e0e\u5316\u5b66\uff0c\uff083\uff09\u751f\u547d\u4e0e\u5316\u5b66\uff0c\uff084\uff09\u6750\u6599\u4e0e\u5316\u5b66\uff0c\uff085\uff09\u7efc\u5408\u4e0e\u5316\u5b66\u2460 \u63a2\u7a76\u6027\u7684\u7efc\u5408\u9898\uff0c\u2461 \u5b66\u79d1\u4e4b\u95f4\u7efc\u5408\uff0c\u2462 \u60c5\u666f\u4fe1\u606f\u7efc\u5408\u9898\uff0c\u2463\u5f00\u653e\u6027\u7efc\u5408\u9898\u3002

\u6839\u636e\u8fd1\u5e74\u4e2d\u8003\u5316\u5b66\u8d8b\u52bf\u6211\u4eec\u5728\u603b\u590d\u4e60\u4e2d\u91cd\u70b9\u6293\u597d\u7684\u4ee5\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a

\u4e00\u3001\u4ee5\u201c\u7eb2\u201d\u4e3a\u7eb2\uff0c\u4ee5\u201c\u672c\u201d\u4e3a\u672c\u548c\u300a\u8003\u8bd5\u8bf4\u660e\u300b\u4e3a\u4f9d\u636e
\u5728\u6df1\u5165\u94bb\u7814\u6559\u6750\uff0c\u4e86\u89e3\u5b66\u751f\u5b9e\u9645\uff0c\u503e\u542c\u5b66\u751f\u7684\u610f\u89c1\uff0c\u4e86\u89e3\u4ed6\u4eec\u5bf9\u77e5\u8bc6\u7684\u9700\u6c42\uff0c\u7ed3\u5408\u5b66\u751f\u5b9e\u9645\uff0c\u5728\u77e5\u8bc6\u70b9\u3001\u91cd\u70b9\u3001\u96be\u70b9\u4e0a\u72e0\u4e0b\u529f\u592b\uff0c\u542f\u8fea\u5b66\u751f\u5e2e\u52a9\u4ed6\u4eec\u5bf9\u5df2\u57fa\u672c\u638c\u63e1\u7684\u96f6\u788e\u7684\u5316\u5b66\u77e5\u8bc6\u8fdb\u884c\u52a0\u5de5\u3001\u5f52\u7c7b\u3001\u6574\u7406\uff0c\u4f7f\u77e5\u8bc6\u89c4\u5f8b\u5316\uff0c\u7cfb\u7edf\u5316\u3001\u7f51\u7edc\u5316\u3002\u5bf9\u7167\u8fd1\u4e09\u5e74\u7684\u4e2d\u8003\u8bd5\u9898\u548c\u8bfe\u672c\u4e0a\u7684\u91cd\u70b9\u77e5\u8bc6\u5f15\u5bfc\u5b66\u751f\u81ea\u5df1\u6293\u77e5\u8bc6\u70b9\u548c\u8003\u70b9\uff0c\u7262\u56fa\u638c\u63e1\u628a\u8bfe\u672c\u77e5\u8bc6\u6df1\u5316\u63d0\u9ad8\uff0c\u5373\u81ea\u6211\u5f52\u7eb3\u5c0f\u7ed3\uff0c\u6293\u51c6\u77e5\u8bc6\u70b9\u548c\u8003\u70b9\u7684\u5185\u5728\u8054\u7cfb\u3002
\u4e8c\u3001\u6839\u636e\u8be5\u79d1\u7684\u590d\u4e60\u7279\u70b9\uff0c\u89e3\u51b3\u590d\u4e60\u4e2d\u5b58\u5728\u7684\u4e3b\u8981\u95ee\u9898
\u5728\u51e0\u5e74\u7684\u5316\u5b66\u6559\u5b66\u548c\u590d\u4e60\u8bfe\u4e2d\uff0c\u6211\u53d1\u73b0\u5b66\u751f\u5728\u5b66\u4e60\u5316\u5b66\u77e5\u8bc6\u5728\u5b58\u5728\u7740\u7a81\u51fa\u95ee\u9898\uff1a\u4e00\u542c\u5c31\u4f1a\u3001\u4e00\u505a\u5c31\u9519\u3002\u6211\u5728\u6559\u5b66\u4e2d\u8fd0\u7528\u4e86\u65b9\u6cd5\uff1a\u5236\u8ba2\u8ba1\u5212\u2192\u8bfe\u524d\u81ea\u5b66\u5c0f\u7ed3\u2192\u4e13\u5fc3\u4e0a\u8bfe\u2192\u53ca\u65f6\u590d\u4e60\u53cd\u9988\u2192\u72ec\u7acb\u4f5c\u4e1a\u2192\u89e3\u51b3\u7591\u96be\u2192\u7cfb\u7edf\u5c0f\u7ed3\u2192\u8bfe\u5916\u5b66\u4e60\uff0c\u901a\u8fc7\u5b9e\u8df5\u6548\u679c\u8f83\u597d\u3002
\u4e09\u3001\u91c7\u7528\u7684\u590d\u4e60\u8fc7\u7a0b\u662f\u201c\u4e09\u8f6e\u4e00\u51b2\u523a\u201d
\u7b2c\u4e00\u8f6e\u590d\u4e60---\u5206\u7ae0\u590d\u4e60\u3002\u6309\u7ae0\u8282\u987a\u5e8f\u5bf9\u6bcf\u7ae0\u8282\u91cd\u3001\u96be\u70b9\u3001\u77e5\u8bc6\u70b9\u8fdb\u884c\u6574\u7406\uff0c\u5206\u7c7b\uff0c\u94fa\u5f00\u77e5\u8bc6\u7f51\u3002

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\u7b2c\u4e09\u8f6e\u590d\u4e60---\u7efc\u5408\u8bad\u7ec3\uff0c\u901a\u8fc7\u9002\u91cf\u7684\u7ec3\u4e60\u9898\uff0c\u63d0\u9ad8\u5b66\u751f\u7684\u505a\u9898\u901f\u7387\uff0c\u8bad\u7ec3\u5b66\u751f\u7684\u89e3\u9898\u80fd\u529b\u548c\u89e3\u9898\u6280\u5de7(\u5982\u9009\u62e9\u9898\u3001\u586b\u7a7a\u9898\uff0c\u63a8\u65ad\u9898\uff0c\u5b9e\u9a8c\u9898\u7b49\u9898\u578b\u7684\u89e3\u9898\u65b9\u6cd5\uff0c\u601d\u8def\u548c\u6280\u5de7\u3002

\u6700\u540e\u51b2\u523a---\u501f\u9274\u524d\u4e09\u5e74\u5347\u5b66\u8bd5\u9898\uff0c\u6846\u5316\u5f53\u5e74\u8bd5\u9898\u91cf\uff0c\u641e\u6a21\u62df\u6d4b\u8bd5\uff0c\u5bf9\u6613\u8bb0\u6613\u5fd8\u7684\u77e5\u8bc6\u70b9\uff0c\u8003\u70b9\u548c\u8003\u524d\u5e94\u91cd\u70b9\u638c\u63e1\u7684\u77e5\u8bc6\u70b9\u52a0\u6df1\u7406\u89e3\uff0c\u67e5\u6f0f\u8865\u7f3a\uff0c\u4ece\u800c\u7262\u56fa\u638c\u63e1\u77e5\u8bc6\u3002

\u56db\u3001 \u505a\u597d\u5907\u8003\u5de5\u4f5c\uff0c\u63d0\u9ad8\u5e94\u53d8\u80fd\u529b

1 \uff0e\u52a0\u5f3a\u5ba1\u9898\u8bad\u7ec3\u3002

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2 \uff0e\u63d0\u9ad8\u8868\u8fbe\u80fd\u529b\u3002

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3 \uff0e\u53d1\u6398\u5b66\u751f\u7684\u975e\u667a\u529b\u56e0\u7d20\u3002

\u5b66\u751f\u7684\u4fe1\u5fc3\u3001\u6bc5\u529b\u3001\u610f\u5fd7\u3001\u60c5\u7eea\u3001\u5b66\u4e60\u65b9\u6cd5\u3001\u8bb0\u5fc6\u65b9\u6cd5\u7b49\u5bf9\u5b66\u4e60\u6709\u5f88\u5927\u5f71\u54cd\u3002\u56e0\u6b64\u5728\u4f20\u6388\u77e5\u8bc6\u548c\u6559\u4f1a\u65b9\u6cd5\u7684\u540c\u65f6\uff0c\u8981\u52a0\u5f3a\u601d\u60f3\u5de5\u4f5c\uff0c\u5168\u9762\u5173\u5fc3\u5b66\u751f\u6210\u957f\uff0c\u5e2e\u52a9\u5b66\u751f\u7aef\u6b63\u6001\u5ea6\uff0c\u6539\u8fdb\u65b9\u6cd5\uff0c\u514b\u670d\u754f\u96be\u60c5\u7eea\uff0c\u6fc0\u52b1\u5b66\u4e60\u70ed\u60c5\uff0c\u4f7f\u5176\u806a\u660e\u624d\u667a\u5145\u5206\u53d1\u6325\u3002

4 \uff0e\u6ce8\u610f\u5fc3\u7406\u8bad\u7ec3\u3002

\u5728\u6fc0\u70c8\u7ade\u4e89\u7684\u6761\u4ef6\u4e0b\uff0c\u5728\u708e\u70ed\u7684\u73af\u5883\u4e2d\uff0c\u8981\u8fde\u7eed\u8fdb\u884c\u4e8c\u5929\u8d85\u8d1f\u8377\u7684\u4e25\u683c\u8003\u8bd5\uff0c\u6bc5\u529b\u4e0d\u575a\uff0c\u7f3a\u4e4f\u6597\u5fd7\uff0c\u5219\u96be\u4ee5\u575a\u6301\u3002\u56e0\u6b64\uff0c\u8003\u524d\u8981\u51cf\u538b\uff0c\u51cf\u8f7b\u601d\u60f3\u538b\u529b\u548c\u5fc3\u7406\u8d1f\u62c5\uff0c\u4f7f\u5b66\u751f\u653e\u4e0b\u601d\u60f3\u5305\u88b1\uff0c\u8f7b\u88c5\u4e0a\u9635\uff0c\u8003\u51fa\u6c34\u5e73\u3002

\u603b\u4e4b\uff0c\u8fd9\u4e9b\u90fd\u662f\u6211\u5728\u5177\u4f53\u7684\u6559\u5b66\u4e2d\u7684\u70b9\u6ef4\u4f53\u4f1a\uff0c\u5bf9\u4e8e\u5982\u4f55\u66f4\u597d\u5730\u641e\u597d\u5316\u5b66\u603b\u590d\u4e60\uff0c\u57f9\u517b\u5b66\u751f\u7684\u521b\u9020\u529b\uff0c\u8fd8\u53ea\u662f\u4e00\u4e2a\u521d\u63a2\uff0c\u5e0c\u671b\u5927\u5bb6\u591a\u63d0\u4fdd\u8d35\u610f\u89c1\u3002

找做过的卷纸,把常考的化学方程式整理出来,背会。然后把常用的,有特点的试剂记住。再找老师画一下重点,不用背掌握就行,然后做题,把错的题抄或剪下来,弄到一个本子上,常翻,基本上就差不多了,当然,上课听讲也很重要。
还有一方法,找老师,申请当化学课代表,我就是这样“逼”好的化学,虽说是被迫。

初中化学一般难度不是太大,所以要立足于课本,多读课本,记住一些重点试验的试验仪器,反应原理,反应现象及相关反应方程式,会判断反应类型,在适当做一些题,效果应该会不错。

多看看书吧,各种反应现象,方程式要记住,基本的计算要掌握,别的没什么难的。化学就是要多看多记。

其实,初中的化学不太难,甚至只要你好好学,拿满分都是有可能的,主要就是化学反应的现象,还有几种特殊物质的颜色(铜离子蓝色,铜单质红色,三价铁离子黄色,亚铁离子浅绿色)还有就是几种气体的制备,和气体的收集。最难的因该是除杂,但是,也不会太难的。考的最多的还是反应方程式和化学反应现象。祝你学习顺利!!!
别忘了采纳额!!!!嘿嘿!!!

跟着老师走,老师平常让做的千万不能偷懒,复习时回归课本,中考时百分之七八十都是书上内容,希望对你有帮助

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