Question

8. Let us assume that a tomato, a brinjal, potato, iron nail
, sponge, wood, stone, leaf, piece of chalk
and paper are given to you. Predict which of them sink of float in water.
Record your predictions in the given table.
S.No.
Object
Sink/Float
1
Example: Iron nail
Sink
2
Brinjal
3
Sponge
4
Wood
5
Stone
6
Leaf
7
Chakpoweder
8
Paper​

Answer 1

Answer:

Which of the following does not change its shape?

A) Solid

B) Liquid

C) Gas

D) None of these

Answer:

D) None of these

2. This method is useful for the separation of dissolved substances from a liquid

A) Sedimentation

B) Chromatography

C) Crystallization

D) Filtration

Answer:

C) Crystallization

3. Chromatography is the method used to separate

A) Mud from Water

B) Colours

C) Impurities from water

D) Husk from grains

Answer:

B) Colours

Answer 2

potato paste egg gravy hf