What are the three methods of removing germs from natural water? Explain.

What are the three states of water ?

Name the process used for removing salts from saline water.

Name the method used for removing gangue from sulfide ores.

What are the three methods in which a body can be charged?

Explain one method of removing permanent hardness.

Name : Three major sources of natural water

Which of the following scientist had developed a method of removing plasmids from the bacterial cells and reinserting them in other cells?

State two methods to remove temporary hardness.

Which is the most suitable method for removing the traces of water from ethanol ?

The method used to remove temporary hardness of water is: