长时间露置于空气中的石灰水，瓶壁上会形成一层白色的物质，要洗

长时间露置于空气中的石灰水，瓶壁上会形成一层白色的物质，要洗去它最好的方法是用溶解，化学方程式表示为_________ ___。

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稀盐酸 Ca(OH)₂+2HCl=====CaCl₂+2H₂O

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