Explain what happen when anhydrous calcium chloride or anhydrous copper (2) sulphate are exposed to the atmosphere for about two days.
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Explanation:
Calcium chloride is a deliquescent substance. If anhydrous calcium chloride is exposed to air, it will absorb sufficient water from the air to allow it to dissolve. So, anhydrous calcium chloride is a deliquescent that is why it turns colourless when exposed to air.
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