How can you separate a mixture of sand, salt and water?

Science

The solid that dissolves in a liquid is called...

The liquid a solid dissolves in is called...

Which two processes are required to separate salt, sand and water?

How many types of particle are there in a  mixture?

Iron cannot be separated from sand using a magnet.

Sand particles are larger than iron particles.

Why can iron filings be separated from sand using a magnet?

How can salt be separated from water when it is dissolved?