Write the technique of separation that can be used to separate the following mixture.

Small stones mixed with rice

Write the technique of separation that can be used to separate the following mixture.

Sand and water

Write the technique of separation that can be used to separate the following mixture.

Bits of paper and pulses

Write the technique of separation that can be used to separate the following mixture.

Sodium chloride and calcium carbonate

Write the technique of separation that can be used to separate the following mixture.

Sawdust and water