Which solvent can be used to separate the mixture of salt and chalk powder?
Alcohol
Water
Sulphuric acid
Carbon disulphide
Salt is soluble in water but chalk powder is insoluble in water. Hence, salt gets dissolved in water and chalk powder can be separated by filtration.
The chemical which can be used to separate a mixture of carbon powder and sulphur powder successfully is :
(a) carbon dioxide (b) hydrochloric acid (c) hydrogen sulphide (d) carbon disulphide