UPSC CDS 2 2019 GK Paper

(b) In order to separate the components of mixture, single or a combination of methods are used to separation of mixture can be done by both physical and chemical process. So, statement 1 is incorrect.
Dissolved sodium chloride can be separated from water by evaporation. This method is used to separate a volatile component from a non-volatile component of a mixture.So, statement 2 is correct.