You are given a mixture of acetone and methyl alcohol. How will you separate them ?

How will you separate ether from water ?

A mixture of acetone and methanol can be separated by

You are given a mixture of ZnS and PbS . The two compounds can be separated by

Amit was asked by his teacher to separate a liquid mixture of acetone and ethyl alcohol. He set up a distillation apparatus and tried to distil the mixture. To his surprise, both the liquids got distilled. Teacher told Amit to repeat the experiment by using a fractionating column in the distillation flask. Amit followed the advice of the teacher and was able to separate the two liquids. (i) Why was Amit not successful in separating the liquid mixture earlier ? (ii) Why did teacher ask him to use the fractionating column ? (iii) Which liquid was distilled first ? (iv) As a student of chemistry, what value based information you have gathered ?

You are given a magnetised bar and a compass needle. How will you mark polartiy at the ends of the bar ?

You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.

You are given two identical bars, one of which is magnetised. How will you select the magnetised bar?