Multiple choice

The water of crystallisation imparts colour to the salts. Which of the following salts is imparted blue colour due to the water of crystallisation?

  1. Calcium sulphate

  2. Sodium carbonate

  3. Iron sulphate

  4. Copper sulphate

  5. Cobalt nitrate

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. The crystals of copper sulphate are blue in colour due to the water of crystallisation.