配套习题- 酸、碱指示剂 -【青果学院】

挑战习题

1/5单选题

难度：

1.下列物质中，能使无色酚酞试液变红的是

A	水
B	氯化钠溶液
C	澄清石灰水
D	稀硫酸

提示1：: 56Kx5oCn54mp6LSo5Y+v5Lul5L2/5peg6Imy6YWa6YWe6K+V5ray5Y+Y57qi

正确答案：Qw==

5Zyo5Zub56eN54mp6LSo5Lit5r6E5riF55+z54Gw5rC055qE5rq25ray5pi+56Kx5oCn77yM6YGH6YWa6YWe6IO95L2/6YWa6YWe5Y+Y57qi77yM5rCv5YyW6ZKg5rq25ray44CB5rC05ZGI5Lit5oCn77yM56iA56Gr6YW46YW45oCn77yM5LiJ6ICF5Z2H5LiN6IO95L2/6YWa6YWe5Y+Y57qi77yOPGJyPuaVhemAiUPvvI4=

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2/5单选题

难度：

2.能使紫色石蕊变红的物质是

A	纯碱
B	小苏打
C	碳酸钙
D	白醋

提示1：: 6YW45oCn54mp6LSo6IO95L2/57qi6Imy55+z6JWK5Y+Y57qi

正确答案：RA==

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3/5单选题

难度：

3.向盛有1ml稀盐酸的试管中滴入2滴紫色石蕊试液，再逐滴加入氢氧化钠溶液，边滴加边振荡，一直到氢氧化钠溶液过量．试管内溶液的颜色变化情况是

A	无色、红色、紫色、蓝色
B	无色、蓝色、紫色、红色
C	无色、蓝色、紫色、无色
D	无色、红色、紫色、无色

提示1：: 57Sr6Imy55+z6JWK6K+V5YmC6YGH6YW45Y+Y57qi6Imy77yM6YGH56Kx5Y+Y6JOd6Imy44CC

正确答案：QQ==

55uQ6YW45piv5peg6Imy55qE5rq25ray77yb57Sr6Imy55+z6JWK6K+V5ray5LiO55uQ6YW45Y+Y57qi77yM6YGH5Yiw5rCi5rCn5YyW6ZKg5Y+Y6JOd77yM6YGH5Yiw5Lit5oCn5rq25ray5LiN5Y+Y6Imy77ybPGJyPuaVheacrOmimOmAiUHvvI4=

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4/5单选题

难度：

4.将某盐酸与氢氧化钠溶液混合后，向其中滴加紫色石蕊试液，溶液变红，下列说法不正确的是

A	混合后溶液的pH＜7
B	混合后溶液为氯化钠溶液
C	混合后溶液的质量是混合前两种溶液的质量之和
D	混合后溶液中水的质量大于混合前两种溶液中水的质量之和

提示1：: 6IO95L2/57Sr6Imy55+z6JWK6K+V5ray5Y+Y57qi77yM6K+B5piO5rq25ray5ZGI6YW45oCn44CC

提示2：: 55uQ6YW45LiO5rCi5rCn5YyW6ZKg5Y+N5bqU77yM5Lqn54mp5Li65rCv5YyW6ZKg5ZKM5rC044CC5L2G5rCv5YyW6ZKg5ZGI5Lit5oCn44CC

正确答案：Qg==

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5/5单选题

难度：

5.小华将一张滤纸在某指示剂中浸泡后晾干，用蘸有氢氧化钠溶液的玻璃棒在上面写 “化学”两字，立刻显红色。再将其悬挂于铁架台上，并在滤纸的下方（如图）放置一盛有某溶液的烧杯，过一会儿，发现红色的字消失，则滤纸上的指示剂和烧杯中的溶液分别是

A	酚酞试液；浓氨水
B	酚酞试液；浓盐酸
C	石蕊试液；浓氨水
D	石蕊试液；浓盐酸

提示1：: 6YWa6YWe6YGH56Kx5pi+57qi6Imy

提示2：: 54On5p2v5Lit55qE6K+V5YmC6KaB5ruh6Laz5Lik54K577ya5LiA5piv6YW45oCn77yM5LqM5piv5oyl5Y+R5oCn44CC

正确答案：Qg==

6YWa6YWe6YGHTmFPSOWPr+S7peWRiOe6ouiJsu+8jOiAjOa1k+ebkOmFuOaMpeWPkeWQju+8jOS4jk5hT0jlj5HnlJ/lj43lupTvvIznlJ/miJDkuK3mgKfnmoROYUNs5ZKM5rC077yM6aKc6Imy55Sx5Y6f5p2l55qE57qi6Imy5Y+Y5Li65peg6Imy44CCQumhueato+ehruOAgg==

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