Question

How will you check purity of pure wool

Answer 1

Explanation:

The most widely used method is the fire test where in a wool thread is bought in contact with lighted match-stick, pure wool will not catch fire whereas adulterated wool will as it contains man-made polymers which melt easily.

Answer 2

Explanation:

The most widely used method is the fire test where in a wool thread is bought in contact with lighted match-stick, pure wool will not catch fire whereas adulterated wool will as it contains man-made polymers which melt easily.