Question

14.
When ferrous sulphate crystals are heated, the colour of the residue formed is
(1) red
(2) brown
(3) orange
(4) green

Answer 1

Answer:

the right answer is brown

Explanation:

As this crystal has green in colour and if it is heated the crystal has sulphur it burn and give brown colour ash

hence we can say that iron sulphate residue give brown color

Answer 2

2) brown is the correct answer