Question

1.
White wash was being done at Mukesh's house. Mukesh saw that the
painter added quick lime to drum having water, Mukesh touched outer
surface of drum, it is unbelievably hot.
(a) Write the chemical equation for above reaction.
(b) What type of reaction is it?
(c)
What is utility of this reaction?​

Answer 1

Answer:

a it was exothermic reaction

c it causes increase in the surrounding temp.

Answer 2

Answer:

a)Refer the attachment

b)Combination and exothermic reaction

c)Combination reaction helps to combine two or more reactants to form a single product. Hence CaO combines with H2O to form Ca(OH)2 that is used for whitewashing.

Hope this helps you

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