Question

How to separate common salt,sand and marble

Answer 1

dissolve the mixture in water , filter it you'll get the sand marble mixture , sieve that mixture to separate them. finally , evaporate the water to get the salt

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Answer 2

First, dissolve the mixture in water. Then, filter it we will get the sand and marble mixture. Then, sand and marble is separated by sieving. Then,evaporate the water to get salt.