Question

What is the apparatus in which sea water is placed to remove salt from it??

Answer 1

The process of desalination is when you remove salt from sea water to produce freshwater. The most common processes to do this are distillation and reverse osmosis.

Answer 2

Salinometer, also called salinimeter or salimeter, device used to measure the salinity of a solution. It is frequently a hydrometer that is specially calibrated to read out the percentage of salt in a solution.