Question

mixture of sand and pebbles is a heterogeneous mixture .give reason​

Answer 1

Answer:

because they can not be separated by simple methods .

Explanation:

heterogeneous mixture can not be separated by simple separation method.

Answer 2

Mixture of sand and pebbles are hetrogeneous mixture because they can be seen with the help of a microscope and also because we can seprate sand and pebbles . These properties show that mixture of sand and pebbles are hetrogeneous.