Evaporation MCQ (Multiple Choice Questions) PDF Download

Evaporation occurs only

1. after boiling
2. after extreme cooling
3. at the surface of a liquid
4. if boiling occurs at atmospheric pressure

Compounds evaporating easily and giving off a smell are

1. ionic compounds
2. covalent bonds
3. metallic bonds
4. dative bonds

When heating begins in miscible solutions, vapors formed will be of

1. liquid, lower in boiling point
2. liquid, higher in boiling point
3. all liquids with a higher concentration of liquid having low boiling point
4. none of above

Evaporation of solution of CuSO₄ helps in

1. making it concentrated only
2. crystallization of CuSO₄ only
3. evaporation of salt CuSO₄
4. making it concentrated and crystallization of CuSO₄

Crystallization, evaporation, and distillation is a mean of separating

1. soluble substances in solution
2. insoluble substances in solutions
3. filtrate from the solution
4. none of above