What are the changes observed when moist sugar is treated with anhydrous calcium chloride and
by concentrated H SO, respectively?
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Explanation:
When moist suger is treated with anhydrus
, it removes the moisture from the moist sugar due to its deliquuesent nature. The chemical composition of suger does not change in this process. Hence it is a physical change. When sugar reacts with concentrated
, it is converted to black residue called sugar charcoal. Concentrated
due to its dehydrating nature removes the hydrogen and oxygen present in the compound as water and the chemical composition of sugar changes. Hence it is a chemical change.
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