Separating Mixtures

Question 1

Separating a mixture of sand and gravel

What apparatus would you us and how does it work

Answer 1

A Sieve
The smaller particles of sand will pass through the sieve but the larger pieces of gravel will not go through staying in the sieve

Question 2

Separating a mixture of iron and sand

What apparatus would you use, How does it work?

Answer 2

A magnet

The iron us magnetic so it will stick to the magnet but the sand isn’t

Question 3

Separating a mixture of chalk and water

What apparatus would you use and how does it work

Answer 3

Filter funnel and paper

The filter paper has small microscopic holes, the water will go through but the chalk will stay