Question

The purity of milk can be tested using________.

Answer 1

1. Milk slip test - Put a drop of milk on a polished vertical surface.
2. If it stops or flows slowly, leaving a white trail behind. It is pure milk. Milk mixed with water or other agents will flow down immediately without a trace.
3. Lactometer is also used to test the purity of milk.

Hence, the purity of milk can be tested using a milk slip test/lactometer.