Question

1) Which of the following methods are used for separation of substances?

a) Remove pebbles from the sand.​

Answer 1

Hey mate.....

Your answer would be hand picking method

Hope it helps you......if it does then please mark me as brainliest

Answer 2

Answer:

Sieving

Explanation:

sieving

A mixture of sand, pebbles, and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while bigger impurities such as stones and gravel remain on the sieve.

I think it may help you.