Which of the following can be obtained by fractional dist...
Which of the following can be obtained by fractional distillation?
Nitrogen from liquid air
Sodium Chloride from sea water
Iodine from solution of Iodine in carbon tetrachloride
Sulphur from the solution of sulphur in carbon disulphide
Correct answer is A
Fractional distillation is used to separate mixtures into its component parts or fractions with the difference in boiling points between successive fractions must be more than 10°C. An example is the liquid nitrogen and oxygen are then separated by fractional distillation .
What is formed when starch is completely hydrolysed? ...
Starch can be converted to ethyl alcohol by ...
For a reaction in equilibrium, the species involved in the equilibrium constant expression are ...
What is the chemical symbol for Francium? ...
The periodic property that is used to determine whether a covalent molecule is polar or not is ...
Which of the following raw materials is used in a plastic industry? ...