中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.将一小片铜片加入稀硫酸中没有反应，再加入适量KNO3晶体，则铜片逐渐溶解，并产生无色气体,则该反应的离子方程式为
| A: 3Cu+2NO3-+8H+═3Cu2++2NO↑+4H2O |
| B: Cu+4HNO3=Cu(NO3)2+2NO2↑+2H2O |
| C: Cu+2H+=Cu2++H2↑ |
| D: 无法判断 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOehnemFuOebkOWcqOmFuOaAp+adoeS7tuS4i+WFt+acieW8uuawp+WMluaAp++8jOS4jkN15Y+R55Sf5rCn5YyW6L+Y5Y6f5Y+N5bqU
- 提示2：IDNDdSsyTk88c3ViPjM8L3N1Yj48c3VwPi08L3N1cD4rOEg8c3VwPis8L3N1cD7ilZAzQ3U8c3VwPjIrPC9zdXA+KzJOT+KGkSs0SDxzdWI+Mjwvc3ViPk8=
- 答案：QQ==
56Gd6YW455uQ5Zyo6YW45oCn5p2h5Lu25LiL5YW35pyJ5by65rCn5YyW5oCn77yM5LiOQ3Xlj5HnlJ/msKfljJbov5jljp/lj43lupTvvIzlj5HnlJ/nmoTnprvlrZDlj43lupTkuLozQ3UrMk5PPHN1Yj4zPC9zdWI+PHN1cD4tPC9zdXA+KzhIPHN1cD4rPC9zdXA+4pWQM0N1PHN1cD4yKzwvc3VwPisyTk/ihpErNEg8c3ViPjI8L3N1Yj5P
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列说法错误的是
A: 浓度较大的I-与Ag+发生氧化还原反应： |
B: 浓度较的小I-与Ag+发生复分解反应： |
| C: Cl2与NaOH在高温下生成NaCl和NaClO |
| D: Cu与稀硫酸不发生反应 |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9MjcyIGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzlGL0FGL3JCQUNFMU9WeEdTeG00c2xBQUFGTlFucXpoWTcxMC5wbmciPg==
- 提示2：IDxpbWcgd2lkdGg9MzEzIGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzYzLzk0L3JCQUNGRk9WeEdTZ3ZxdE9BQUFGLW5oYXVGczM4Mi5wbmciPg==
- 答案：Qw==
Q+mhuemUmeivr++8jDxpbWcgd2lkdGg9MjcyIGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzlGL0FGL3JCQUNFMU9WeEdTeG00c2xBQUFGTlFucXpoWTcxMC5wbmciPiA8YnI+PGltZyB3aWR0aD0zMTMgaGVpZ2h0PTMwIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNjMvOTQvckJBQ0ZGT1Z4R1NndnF0T0FBQUYtbmhhdUZzMzgyLnBuZyI+
本课配套习题挑战模式3/5
单选题
难度系数：
3.下列各选项由于浓度不同而能发生不同氧化还原反应的是
| A: Fe与FeCl3溶液 |
| B: S和硝酸 |
| C: Fe和盐酸 |
| D: S 和盐酸 |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9MzA2IGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzYzLzk0L3JCQUNGRk9WeEd6Q2o3ZUdBQUFHSm1GYXNMYzAwNi5wbmciPg==
- 提示2：IDxpbWcgd2lkdGg9MzA4IGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzlGL0FGL3JCQUNFMU9WeEczaE1lT19BQUFHSEY4bGFuYzQzMC5wbmciPg==
- 答案：Qg==
QumhueS4rTxpbWcgd2lkdGg9MzA2IGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzYzLzk0L3JCQUNGRk9WeEd6Q2o3ZUdBQUFHSm1GYXNMYzAwNi5wbmciPjxicj48aW1nIHdpZHRoPTMwOCBoZWlnaHQ9MzAgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC85Ri9BRi9yQkFDRTFPVnhHM2hNZU9fQUFBR0hGOGxhbmM0MzAucG5nIj4=
本课配套习题挑战模式4/5
单选题
难度系数：
4.
下列物质反应后一定有＋3价铁生成的是( )
①过量的Fe与Cl2反应；
②Fe与过量稀H2SO4反应后，再向其中加KNO3；
③Fe(NO3)2溶液中加少量盐酸；
④Fe和Fe2O3的混合物溶于盐酸中
| A: ①② |
| B: ②③ |
| C: ①②③ |
| D: ①②③④ |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+4pGg5Lit5a655piT6K6k5Li65Zyo5rq25ray5Lit6L+H6YeP55qE6ZOB6IO96L+Y5Y6f5rCv5YyW6ZOB77yM55Sf5oiQ5rCv5YyW5Lqa6ZOB77ybPGJyPuKRouS4reWuueaYk+W/veinhk5PPHN1Yj4zPC9zdWI+PHN1cD4tPC9zdXA+5Zyo6YW45oCn5p2h5Lu25LiL5YW35pyJ5by65rCn5YyW5oCn77yM6IO95rCn5YyW77yLMuS7t+mTgeeUn+aIkO+8izPku7fpk4HjgII8L3A+
- 提示2：PHA+4pGh5LitRmXkuI7nqIBIPHN1Yj4yPC9zdWI+U088c3ViPjQ8L3N1Yj7lj43lupTlj6rog73nlJ/miJBGZTxzdXA+Mjwvc3VwPjxzdXA+77yLPC9zdXA+77yM5L2G6KaB5rOo5oSP56iASDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+6L+H6YeP77yM5Yqg5YWlS05PPHN1Yj4zPC9zdWI+5ZCO5b2i5oiQSE5PPHN1Yj4zPC9zdWI+77yMSE5PPHN1Yj4zPC9zdWI+6IO95bCGRmU8c3VwPjI8L3N1cD48c3VwPu+8izwvc3VwPuawp+WMluaIkEZlPHN1cD4zPC9zdXA+PHN1cD7vvIs8L3N1cD7jgII8YnI+PC9wPg==
- 提示3：PHA+4pGj5Lit6aaW5YWIRmXkuI7nm5Dphbjlj43lupTnlJ/miJBGZUNsPHN1Yj4yPC9zdWI+77yM54S25ZCORmU8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+5LiO55uQ6YW45Y+N5bqU55Sf5oiQRmVDbDxzdWI+Mzwvc3ViPu+8jOS9humimOS4reacque7meWHuuWPjeW6lOeJqeS5i+mXtOmHj+eahOWFs+ezu++8jOiLpemTgeaYr+i2s+mHj+eahO+8jOWImeiDveWwhueUn+aIkOeahCBGZUNsPHN1Yj4zPC9zdWI+5YWo6YOo6L+Y5Y6f5Li6RmVDbDxzdWI+Mjwvc3ViPuOAgjxicj48L3A+
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.
以下各组物质，不满足“在酸性条件下发生反应，而在碱性条件下不发生反应”的是
| A: S2-和SO32- |
| B: Cl-和ClO3- |
| C: Fe2+和NO3- |
| D: Cu2+和Cl- |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+QeS4rVNPPHN1Yj4zPC9zdWI+PHN1cD4yLTwvc3VwPiArIDJTPHN1cD4yLTwvc3VwPiArIDZIPHN1cD4rPC9zdXA+ID0gMyBT4oaTKyAzSDxzdWI+Mjwvc3ViPk/vvIzmlYVB5q2j56GuPC9wPg==
- 提示2：PHA+QuS4rTZIPHN1cD4rPC9zdXA+KyA1PGVtPkNsPHN1cD4tPC9zdXA+PC9lbT4gKyBDbE88c3ViPjM8L3N1Yj48c3VwPi08L3N1cD4gKyA2IEg8c3VwPis8L3N1cD4gPSAzQ2w8c3ViPjI8L3N1Yj7ihpEgKyAzSDxzdWI+Mjwvc3ViPk/vvIzmlYVC5q2j56GuPC9wPg==
- 提示3：PHA+Q+S4rTNGZTxzdXA+Mis8L3N1cD4gKyA0SDxzdXA+Kzwvc3VwPiArIE5PPHN1Yj4zPC9zdWI+PHN1cD4tPC9zdXA+ID0gM0ZlPHN1cD4zKzwvc3VwPiArIDJIPHN1Yj4yPC9zdWI+TyArIE5P4oaR77yM5pWFQ+ato+ehrjwvcD4=
- 答案：RA==
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
