25℃的四种溶液：①pH=2的CH3COOH溶液 ②pH=2的HCl溶液 ③pH=12的氨水 ④pH=12的NaOH溶液．有关上述溶液的比较中，正确的是_刷题宝

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25℃的四种溶液：①pH=2的CH₃COOH溶液 ②pH=2的HCl溶液 ③pH=12的氨水 ④pH=12的NaOH溶液．有关上述溶液的比较中，正确的是（）

A：水电离的c（H⁺）：①=②=③=④

B：将②、③溶液混合后，pH=7，消耗溶液的体积：②＜③

C：等体积的①、②、④溶液分别与足量铝粉反应，生成H₂的量：④最大

D：向溶液中加入100 mL水后，溶液的pH：③＞④＞①＞②

上一题下一题 0.0难度选择题更新时间:2015-06-15 03:41:40

答案(点此获取答案解析）

A

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Hans Bethe
The late German-American physicist Hans Bethe once described himself as “the H-bomb’s midwife（接生婆）”. He left Nazi Germany in 1933, after which he helped develop the first atomic bomb（原子弹）, won the Nobel Prize in Physics in 1967 for his contribution to the theory of nuclear reactions（核反应）and advised controls over nuclear weapons（武器）for the peaceful use of the nuclear energy

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The late Francis Crick, one of Britain’s most famous scientists, won the Nobel Prize in Physiology（生理学）or Medicine in 1962. He is best known for his discovery with James Watson and Maurice Wilkins, the double helix structure（双螺旋结构）of the DNA, though he also made important contributions in other fields. He died in 2004.

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