Question

1. what is the correct method to separate salt from sand? dissolve the salt in water - filter off the sand - evaporate the water none of these would work only dissolve the salt then evaporate off the ion evaporate the water - filter the ion - dissolve the salt

Explanation:

Salt is soluble in water while sand is not. First, dissolve the salt - sand mixture in water. The sand can be removed by filtration as it remains undissolved. Then, evaporating the water leaves behind the salt.

Answer:

dissolve the salt in water - filter off the sand - evaporate the water