Question

C. Crossword Puzzle
Solve the crossword puzzle with the help of the dues given
Across
I Method used to separate components
of a mixture which differ in se
5. Process of pouring out the liquid
without disturbing the sediment (11)
Proxes of converting liquid into
Yapour (
7. Process of settling down of heavier
particles (13)​

Answer 1

Explanation:

..A mixture of wheat and husk can be separated by

(a) hand-picking

(b) sieving

(c) threshing

(d) winnowing

ANSWER:

(c) winnowing

Farmers use this method to separate grain (here wheat) from husk. The mixture of grain and husk are dropped from a height. The heavier grain particles falls straight down while the lighter husk particles are taken away by wind and collected separately at a short distance.

Page No 59:

Question B.2:

A mixture of water and sulphur can be separated by

(a) evaporation

(b) filtration

(c) decantation

(d) sieving

ANSWER:

(b) filtration

The insoluble sulphur particles are separated from water by filtration m