Question

1. Which methods will you use to separate the following mixtures? a. salt and sand b. sugar and salt
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Answer 1

a. salt and sand

Winnowing

sand is heavier than salt so some part of the sand will be separated but not all the sand would be as salt and sand are almost same

b. sugar and salt

sieving

sugar is biger than the salt so salt's particles would be seperated by using a sieve

Answer 2

Explanation:

Sand and salt: Salt dissolves in water whereas sand does not dissolve. Thus, the mixture of sand and salt can be separated by dissolving it in water. salt dissolves and sedimentation of sand occurs. Sand can then be separated from the liquid by decantation followed by filtration.

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