Question

Activity 2.15
als
Heat a few crystals of copper sulphate
in a dry boiling tube.
What is the colour of the copper
sulphate after heating?
Do you notice water droplets in the
boiling tube? Where have these come
from?
- Add 2-3 drops of water on the sample
of copper sulphate obtained after
heating
What do you observe? Is the blue
colour of copper sulphate restored?​

Answer 1

1.colourless

2.water of crystallization

3.the colour turns to blue and yes the colour is restored as the water of crystallization returned

Explanation:

the colour is restored as the water of crystallization returned