Question

Sand that is needed for a project has some common salt accidentally mixed with it. which of the following processes need to be used to separate sand and salt?
1. Filtration
2. Evaporation
3. Distillation
4. Crystallisation

• A. 1, 2
• B. 1,2 and 4
• C. 1, 2 and 3
• D. 1,2,3 and 4

Answer 1

Answer: (A)

1, 2

To separate the mixture of salt and sand;

first we will make the aqueous solution, salt gets dissolved in water and sand particle remain undissolved,

so, the misture can be separated by filtration and evaporation.