Because of impurities the boiling point of a liquid –

Which one of the following processes is NOT useful for purification of solid impurities?

Consider the following statements: 1. Addition of salt to pure water increase the boiling point of water and decreases the freezing point of water. 2. When methyl alcohol is added to water boiling po…

Chlorination is a process used for water-purification. The disinfecting action of chlorine is mainly due to

The conversion of a solid directly into gas is called as :

Which one of the following apparatus is used for separating benzene and water mixture ?