本课配套习题挑战模式1/5
单选题
难度系数:
1.
下列表示对化学反应的方程式正确的是( )
A: 用KIO3氧化酸性溶液中的KI: |
B: 实验室制Cl2: |
C: 实验室制Cl2: |
D: 将铁粉加入到稀硫酸中: |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5Zyo4oCc6YWN55S16I234oCd5pe26ZyA5rOo5oSP77yM5rq25ray5Li66YW45oCn77yM5bqU57uT5ZCI5rCi56a75a2Q55Sf5oiQ5rC0PC9wPg==
- 提示2:PHA+5Y+N5bqU5b+F6aG756ym5ZCI5LqL5a6ePC9wPg==
- 答案:Qw==
PHA+QeWcqOKAnOmFjeeUteiNt+KAneaXtumcgOazqOaEj++8jOa6tua2suS4uumFuOaAp++8jOW6lOe7k+WQiOawouemu+WtkOeUn+aIkOawtOOAgjxicj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMkQvQkEvckJBQ0UxTmhJZ1B5RktaY0FBQURrbk1mMDNvNTU3LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yRC9CQS9yQkFDRTFOaElnUHlGS1pjQUFBRGtuTWYwM281NTcucG5nIiBoZWlnaHQ9IjI2IiB3aWR0aD0iMTk5Ij48YnI+QuKAnOeUteWtkOKAneacquW5s+OAgjxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GMS9CMC9yQkFDRkZOaElnUEFQdEcyQUFBRkRvc1l6Z1U5MzUucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0YxL0IwL3JCQUNGRk5oSWdQQVB0RzJBQUFGRG9zWXpnVTkzNS5wbmciIGhlaWdodD0iMjYiIHdpZHRoPSIyODkiPjxicj5E5LiN56ym5ZCI5LqL5a6e77yM6ZOB5LiO56iA56Gr6YW45Y+N5bqU55Sf5oiQ5LqM5Lu36ZOB44CCPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzJEL0JBL3JCQUNFMU5oSWdQd29nLWpBQUFDOXNzZWxPYzg1OC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMkQvQkEvckJBQ0UxTmhJZ1B3b2ctakFBQUM5c3NlbE9jODU4LnBuZyIgaGVpZ2h0PSIyNiIgd2lkdGg9IjE2NyI+PGJyPjwvcD4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列离子方程式正确的是( )
A: 钠与水反应: |
B: 硅酸钠溶液与醋酸溶液混合: |
C: 将磁性氧化铁溶于盐酸: |
D: 浓硝酸中加入过量铁粉并加热: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOazqOaEj+eUteWtkOWuiOaBkg==
- 提示2:IOmGi+mFuOaYr+W8seeUteino+i0qO+8jOS4jeWPr+aLhg==
- 答案:Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列离子方程式正确的是( )
A: 金属铝溶于稀硫酸: |
B: 碳酸锌溶于稀硝酸中: |
C: FeCl3溶液与Cu的反应: |
D: 少量Cl2通入KI溶液中: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOazqOaEj+eUteWtkOWuiOaBkg==
- 提示2:IOeis+mFuOmUjOmavua6tg==
- 答案:RA==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列文字表述与反应方程式对应且正确的是( )
A: 溴乙烷中滴入硝酸银溶液可检验处其中的溴元素 : |
B: 将铝片加入烧碱溶液中: |
C: 向KI溶液中加入FeCl3溶液: |
D: 硫酸亚铁与双氧水、稀硫酸混合: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOazqOaEj+eUteWtkOWuiOaBkg==
- 提示2:IOa6tOS5meeDt+S4reeahOa6tOW5tuS4jeiDveS7peemu+WtkOeahOW9ouW8j+WtmOWcqA==
- 答案:Qg==
QeatpOWkhOmcgOazqOaEj++8jOa6tOS5meeDt+S4reeahOa6tOW5tuS4jeiDveS7peemu+WtkOeahOW9ouW8j+WtmOWcqO+8jOWboOiAjOivpemAiemhuemUmeivr+OAgjxicj5D4oCc55S15a2Q4oCd5LiN5bmz44CCPGltZyB3aWR0aD0xNTkgaGVpZ2h0PTI2IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMkQvQkIvckJBQ0UxTmhJc1RDeWswOEFBQURKeV9Vc2ZNMTU0LnBuZyI+PGJyPkTigJznlLXlrZDigJ3kuI3lubPjgII8aW1nIHdpZHRoPTI0NSBoZWlnaHQ9MjYgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GMS9CMS9yQkFDRkZOaElzU3hZQ1Q1QUFBRDAxOThzdVUxMTEucG5nIj4=
本课配套习题挑战模式5/5
单选题
难度系数:
5.能正确表示下列反应的离子方程式是( )
A: 将氯化亚铁与稀硝酸混合: |
B: 将铜屑加入含Fe3+的溶液中: |
C: Na2O2与H2O反应制备O2: |
D: 将氯气溶于水制备次氯酸: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOazqOaEj+eUteWtkOWuiOaBkg==
- 提示2:IOasoeawr+mFuOS4uuW8seeUteino+i0qO+8jOS4jeiDveaLhg==
- 答案:Qg==
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