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【题目】下列关于碳酸(H2CO3)和硅酸(H2SiO3)的说法中不正确的是( )

A.两者均为弱酸

B.两者均可使紫色石蕊试液变红色

C.CO2气体通入Na2SiO3溶液中可以制得硅酸

D.两者受热时均可以分解

【答案】B

【解析】硅酸不能够使紫色石蕊试液变红,B错误。

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