The boiling point of liquid argon is :

Which of the following cannot be separated from air by the process of fractional distillation?

The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :

You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture?

The best way to recover sugar form an aqueous sugar solution is :