Subject :NSO Class : Class 7
Which of the following statements is/are incorrect?
I. Solubility of gases in water increases with an increase in the temperature.
II. Salt is obtained from sea water by the evaporation process.
III. Winnowing is used to separate lighter components of a mixture from the heavier ones by wind or blowing air.
IV. Distillation process involves the separation of insoluble solids from liquids.
AI, II and IV only
BI and IV only
CII and III only
DI and III only