Question

Q8. Classify the following into osmosis/diffusion
(a) Swelling up of a raisin on keeping in water.
(b) Spreading of virus on sneezing.
(c) Earthworm dying on coming in contact with common salt.
(d) Shrinking of grapes kept in thick sugar syrup.
(e) Preserving pickles in salt.
(f) Spreading of smell of cake being baked through out the house.
(g)Aquatic animals using oxygen dissolved in water during respiration.​

Answer 1

Answer:

Osmosis

Diffusion

Osmosis

Osmosis

Osmosis

Diffusion

Diffusion

Answer 2

a.osmosis

b.diffisusion

c.diffusion

d.osmosis

e.diffusion

f.diffusion

g.osmosis

Osmosis involves the movement of water through a semi permiable membrane from a weak solution to a strong solution

Diffision involves the movement of molecules form an area of higher concentration to an area of lower concentration. A membrane in such case isnt required.