Which of the following can be obtained by fractional distillation?
Nitrogen from liquid air
Sodium chloride from sea water
Iodine from a solution of Iondine in carbon tetrachloride
Sulphur from a solution of sulphur incarbon disulphide
The correct answer is: A
Explanation
No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn.