A device used to check the purity of milk is called:

The purity of milk is calculated by _____

First or free milk is called:

First or free milk is called:

Answer the following question on one sentence : Name the device used to determine the purity of a sample of milk.

First or free milk is called

The instrument used to measure the purity of milk is

The instrument used to measure the purity of milk is

The device used to check heart beat is ______

Which instrument is used to test the purity of milk?

What instrument is used to determine the purity of milk ?