Question

A solution of white coloured substance is used for white washing. This substance reacts vigorously with water

The white coloured substance is :
The solution formed is :​

Answer 1

Answer:

The white coloured substance is :chlorine

The solution formed is :calcium oxychloride

Answer 2

Answer:

quicklime is the correct answer. Reason: As ut produces calcium hydroxide (CaOH) when ut reacts with water (H2O) and absorbs carbon dioxide (Co2) from the environment.

As a result, it produces clacuum carbonate (CaCO3) which created the hard coating on the wall.