Question

Write 2 precautions do be taken while
performing the experiment of heating of
ferrous sulphati crytals
.​

Answer 1

Answer:

. Do not point the mouth of the boiling tube at your neighbours or yourself.

. Waft gases emitted from ferrous sulphate on heating gently towards your nose holding the test tube at a distance. ...

. Always use a test tube holder while heating the test tube.