Question

When we multiply 2 with 1, i.e., 2×1, our result should come as 2, i.e., 2×1=2.

Hope you have understood the explanation!​

Answer 1

Answer:

The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.