Question

answer all these questions plz I need these answers immediately

(if you don't know please don't answer)​

please

Answer 1

Answer:

Explanation:

ans 2.1

The characteristics of matter are:-

1 Particles of matter have space between them.

2 Particles of matter are continuously moving.

3 Particles of matter attract each other.

ans 2.2

SOL:

1. Heterogeneous mixtures.

2.The size of the particles is too small to seen by naked eye.

3.They scatter a beam of light passing through them.

4.Solute particles cannot be separated by the process of filtration and sedimentation.

SOLUTION:

 1.Homogenous mixture.

 2.Particles are smaller than 1 nm ,they are not visible to naked eye.

 3.They do not scatter a beam of light.

 4. Solute particles cannot be separated by the process of filtration and sedimentation.

SUSPENTION:

1. Heterogeneous mixtures.

2.Particles are visible to naked eye.

3.They scatter a beam of light passing through them.

4.Solute particles can be separated by the process of filtration and sedimentation.

ans 2.3

a] sublimation

b] dissolve

c] evaporation

d] centrifugal separation

e] sedimentation

f] Tyndall effect

Answer 2

For 23 ) a)sublimation

b)diffusion

c)evaporation

d)centrifugation

e)sedimentation

f)tyndall effect