Question

Which of the following is not a solid-liquid mixture?

• A. Iron filings and sulphur
• B. Salt and water
• C. Chalk powder and water
• D. Sugar and milk

Answer 1

The correct option is A

Iron filings and sulphur

The explanation for the correct option:

Option A:

• Iron filings and sulphur is a solid-solid mixture.
• It is a heterogeneous mixture.
• A mixture of Iron filings and sulphur is separated through the magnetic separation method.

The explanation for incorrect options:

• Salt and water, chalk powder and water, sugar and milk are solid-liquid mixtures.

Therefore, option A is correct.