Question

Solvents are the substances used to dissolve other substances.  Consider the following substances:
(1) Water 
(2) Ether 
(3) Toluene 
(4) Chloroform

Which of the above can be used as solvents? 

विकल्प

• 1 and 2

• 2 and 3

• 3, 4 and 5

• All of these

Answer 1

All of these

Explanation: A solvent is a substance that dissolves a solute (a  chemically distinct liquid, solid, or gas), resulting in a  solution. Common uses for organic solvents are in dry cleaning (e.g., tetrachloroethylene), as paint thinners (e.g., toluene, turpentine), as nail polish removers and glue solvents (acetone, methyl acetate,  ethyl acetate), in spot removers (e.g., hexane, petrol ether), in detergents (citrus terpenes) and in perfumes  (ethanol). Water is a solvent for polar molecules and the most common solvent used by living things; all the ions and proteins in a cell are dissolved in water within a cell.