Question

Q1. STATE THE LAW OF CONSERVATION OF MASS

Q2. WHY IS CRYSTALLIZATION BETTER THAN EVAPORATION?



Q3. DRAW NEAT AND LABELLED DIAGRAM OF

(i) SEPARATING FUNNEL

(ii) SUBLIMATION.​

Answer 1

Answer:

1 LAW OF CONSERVATION OF MASS STATES THAT MASS CAN NEITHER BE CREATED NOR BE DESTROYED

Answer 2

Explanation:

(I) Mass can neither created nor destroyed.

(II) Crystallization is the better method because on evaporation some solid particles in mixture get decomposed leaving behind impurities while in Crystallization , pure crystals of solids are obtained.