能证明硅酸的酸性弱于碳酸酸性的实验事实是 A.CO2溶于水形成碳酸

能证明硅酸的酸性弱于碳酸酸性的实验事实是

ACO2溶于水形成碳酸,SiO2难溶于水

BCO2通入可溶性硅酸盐中析出硅酸沉淀

C.高温下SiO2与碳酸盐反应生成CO2

D.氯化氢通入可溶性碳酸盐溶液中放出气体,通入可溶性硅酸盐溶液中生成沉淀

答案

B

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