Question

on dissolving chalk powder in water, a suspension is obtained. Give any four reasons to support the fact that mixture so obtained is a suspension.

Answer 1

suspension have the following characteristics:
*they are heterogeneous. chalk powder in water us also a heterogeneous mixture.
*it is unstable.chalk powder can be felt below in the water after letting it undisturbed.
*particles can be seen through naked eye., we can see particles of chalk powder through our naked eye.
*can be filtered by filter paper. chalk solution can be filtered by filterpaper
hope it helps...

Answer 2

Reasons :

(a) Heterogeneous mixture. 

(b) Particles can be seen by the naked eye.

(c) Scatter a beam of light.

(d) Unstable.

(e) Can be filtered.