Question

write 21 words in is matter around us pure

Answer 1

What exactly do you want from the chapter Is matter around us pure?

Do you want Summary of the chapter?

Here is the summary

There are three types of solution

1. True solution - completely dissolves
2. Suspension - translucent
3. Colloidal solution

Colloidal solution shows tyndall effect it is a heterogeneous mixture though it looks like homogenous mixture.

True solution is homogenous mixture
suspension is also heterogeneous mixture.


There are various types of separation techniques like

1. Centrifugation

Separation of Milk and butter

2. Magnetic separation

3. distillation

4. Fractional distillation

5. Evaporation.


Hope it helps