Question

Complete the flowchart given below using the information of separation techniques.

• A. A: sand; B: salt; C: water
• B. A: salt; B: sand; C: oil
• C. A: sand; B: salt; C: oil
• D. A: salt; B: sand; C: water

Answer 1

The correct option is A A: sand; B: salt; C: water

In the first step, when the mixture is subjected to fitration, two components are obtained: A and mixture of B and C.

In the second step, on evaporation, B separates as a solid while C separates as a liquid.

Since, sand is insoluble in water but salt is soluble in water, it can be concluded that:

• A is sand
• B is salt
• C is water