Question

Weight of an iron block when immersed in different liquids are tabulated below.

Observe the table and answer the following -

Liquid Loss of weight

X 1 N

Y 1.2 N

Z 1.5 N

a)What causes weight loss ?

b) Of these X is likely to be which of the following -

(brine, kerosene, water)

c) Which concept helped you to select the liquid in the above​

Answer 1

Answer:

NAME THE PROCESS ASSOCIATED WITH THE FOLLOWING 1. Dry ice is kept at room temperature and at one atmospheric pressure. 2. A drop of ink placed on the surface of water contained in a glass spreads throughout the water. 3. An acetone bottle is left open and the bottle becomes empty. 4. Milk is churned to separate cream from it. 5. Fine beam of light entering through a small hole in a dark room, illuminates the particles in its path. 6. To separate coloured pigments from flower petals 8.Two miscible liquids with boiling point difference less than 25K 9. To separate two immiscible liquids 10. To separate Ammonium chloride and Sodium Chloride