Q. Which of these instruments is used for testing the purity of milk?
✅ Correct Answer: (B)
Lactometer
Explanation: Lactometer is used for measuring the relative density of milk and hence testing the purity of milk. It is a specially designed hydrometer.
Explanation by: Ruchi Sharma
Lactometer is used for measuring the relative density of milk and hence testing the purity of milk. It is a specially designed hydrometer.