List of top Chemistry Questions asked in National Aptitude test in Architecture

Which of the following is a physical change?

The purest form of water can be obtained from:

A baby's bath should be at a temperature of 37°C. The bath already contains 10kg water at 15°C. Approximately how much hot water with a temperature of 50°C, should be added to achieve the desired temperature ?

The absorption of ink by blotting paper involves