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如何检验是否含有碳酸钙?
如何检验是否含有碳酸钙?
2025-04-08 03:55:24
推荐回答(1个)
回答1:
加盐酸有气泡生成、气体通入澄清石灰水变浑浊
CACO3+2HCL=CACL2+CO2气体+H2O
CO2+CA(OH)2=CACO3沉淀+H2O
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