Q.

Which one among the following substances evolved heat when dissolved in water?

A. Glucose
B. Fructose
C. Quick lime
D. Salt peter
Answer» C. Quick lime
Explanation: Quicklime is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature.When limestone is heated, at about 1000° C it undergoes thermal decomposition.
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