本课配套习题挑战模式1/5
单选题
难度系数:
1.下列各组物质相互反应得到Al(OH)3的是
A: Al跟NaOH溶液共热 |
B: Al(NO3)3跟过量的NaOH溶液 |
C: A12O3和水共热 |
D: A12(SO4)3和过量的NH3·H2O |
一次做对,真牛!
+5奖励规则>
- 提示1:5rCi5rCn5YyW6ZOd5LiO5by656Kx5Lya57un57ut5Y+R55Sf5Y+N5bqU77yM5pyA57uI6ZOd5Lul5YGP6ZOd6YW45qC555qE5b2i5byP5a2Y5Zyo5Zyo5L2T57O75Lit44CC
- 答案:RA==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列变化不可能通过一步实验直接完成的是
A: Al(OH)3→Al2O3 |
B: Al2O3→Al(OH)3 |
C: Al→AlO2- |
D: Al3+→Al(OH)3 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l6ZOd6L+Z5LiA6YOo5YiG5YyW5a2m5pa556iL5byP55qE5o6M5o+h77yM6L+Z6YeM57uZ5Ye66ZOd5LiJ6KeS77yM5Y+v5Lul6YCQ5LiA5YiG5p6Q77yaPGltZyB3aWR0aD0yOTEgaGVpZ2h0PTE0MCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0NCLzNFL3JCQUNKMVl6RlVfZ3ZlZzJBQUJrQ3FsRktqODExOS5wbmciID4=
- 答案:Qg==
QWw8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+4oaS5Zu65L2T6Iul55So55uQ6YW45rq26Kej77yM5YiZ55Sf5oiQ5LiJ5Lu3QWw8c3VwPjMrPC9zdXA+77yM6Iul55SoTmFPSOa6tua2sua6tuino++8jOWImeeUn+aIkOWBj+mTnemFuOmSoO+8jOaXoOiuuuWTquenjemAlOW+hOmDveS4jeiDveebtOaOpeeUn+aIkOawouawp+WMlumTneOAguWboOatpOmAieaLqUIg6aG544CC
本课配套习题挑战模式3/5
单选题
难度系数:
3.对于金属的氢氧化物,下列说法正确的是
A: 全部由金属氧化物溶于水制得 |
B: 可以用化合反应、复分解反应制得 |
C: Fe(OH)2、Fe(OH)3、Al(OH)3都不溶于过量的强碱 |
D: 金属氢氧化物的热稳定性均较差 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pyJ5Lqb6YeR5bGe5rCn5YyW54mp5piv5LiN5LiO5rC05Y+N5bqU55qE44CC
- 提示2:5LiA5Lqb6YeR5bGe5oCn55u45a+55LiN5by655qE6YeR5bGe5rCi5rCn5YyW54mp77yM5LuW5Lus55qE56iz5a6a5oCn5piv6L6D5beu55qE77yM6ICM5rCi5rCn5YyW6ZKg44CB5rCi5rCn5YyW6ZK+562J56iz5a6a5oCn6L6D5by644CC
- 答案:Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列各组反应中能得到Al(OH)3的是
A: 将Al2O3粉末加到热水中 |
B: 向NaAlO2溶液中加入过量的盐酸 |
C: 将Na投入到NaAlO2溶液中 |
D: 向AlCl3溶液中滴几滴NaOH溶液 |
一次做对,真牛!
+5奖励规则>
- 提示1:5rCn5YyW6ZOd5LiO5rC05LiN6IO95Y+R55Sf5Y+N5bqU44CC
- 提示2:5rOo5oSP5Yqg6K+V5YmC55qE6KGo6L+w4oCc6L+H6YeP4oCd6L+Y5piv4oCc6YCC6YeP4oCd44CC
- 答案:RA==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.以下有关正三价铝的叙述正确的是
A: 当向溶液中加入强酸溶液时,氢氧化铝主要发生酸式电离 |
B: 当向溶液中加入强碱溶液时,氢氧化铝主要发生碱式电离 |
C: 在强酸性环境中正三价的铝以Al3+形式存在于溶液中 |
D: 在pH较大的溶液中正三价的铝以Al3+形式存在于溶液中 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Yqg5YWl5by66YW45rq25ray5pe277yM5Y+R55Sf5Y+N5bqU55qE5pys6LSo5piv77ya5rCi5rCn5YyW6ZOd55S156a75Li66ZOd56a75a2Q5ZKM5rCi5rCn5qC556a75a2Q77yM5rCi5rCn5qC556a75a2Q57uT5ZCI5rq25ray5Lit55qE5rCi56a75a2Q44CC
- 提示2:5Yqg5YWl5by656Kx5rq25ray5pe277yM5rCi5rCn5YyW6ZOd55S156a75Li65rCi56a75a2Q44CB5YGP6ZOd6YW45qC556a75a2Q5ZKM5rC044CC5YW25Lit5rCi56a75a2Q57uT5ZCI5rq25ray5Lit55qE5rCi5rCn5qC556a75a2Q44CC
- 答案:Qw==
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