Ques.1. A solution of a substance 'X' is used for whitewashing.

Biology

1 answer:

Deffense [45]2 years ago

4 0

The name of this substance 'X' that is used for whitewashing is calcium oxide or quicklime.

<h3>What is whitewashing?</h3>

Whitewashing can be defined as a technique used in painting which typically involves the use of a substance that reacts with air and water (H₂O), thereby, forming a white plaster on surfaces.

In this context, the name and formula of this substance 'X' that is used for whitewashing is calcium oxide (CaO) i.e quicklime.

The properly balanced reaction of calcium oxide (CaO) and water (H₂O) is written as follows:

CaO + H₂O ------> Ca(OH)₂ + heat

Read more on chemical reaction here: brainly.com/question/13750908

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