Chemistry, asked by raghavashok299, 1 year ago

a chemical reaction which is both combination and exothermic and is used by us for white washing purpose. write the chemical reaction

Answers

Answered by ShubhamSaini

Answer:Reaction of Calcium with water.

Explanation:"Calcium hydroxide which is also called as "slaked lime" which is generally used for "white washing". The formation of slaked lime from quicklime and water is an exothermic reaction as well as combination reaction.

CaO (s) + H2O(l) ----> Ca (OH)2(aq) +Q

Here, CaO or quicklime and water mix to form "calcium hydroxide", therefore it is a combination reaction and heat is released which makes it a exothermic reaction.

This chemical reaction can be used for manufacturing of slaked lime.

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