What are the various methods of separation of substances under dry conditions? [2 MARKS]
Each answer 0.5 Marks. [0.5×4=2] The various methods of separation under dry conditions are:
·Hand Picking
·Threshing
·Winnowing
·Sieving
Name any three methods of separating substances in dry conditions, and define them. [3 MARKS]
What are the various factors based on which substances are separated? [1 MARK]
What are the various factors taken into consideration when we separate substances?[1 MARK]
What are the various methods to express concentration of a solution? [2 MARKS]