Smalls stones can be seperated from rice grains by the process of ___

Q. Rahul bought a sack of rice. He saw that there were a few stones present in it. He can utilise method to separate stones from the rice grains.

Q. Stones can be separated from a bowl of rice by _______.

Q. Stones can be separated from talcum powder by the process of.

Q.

Handpicking stones from rice is a process of __________.