MCQ- 16
The maximum change in vapour pressure occurs at the temperature range of
A. 10-20 °C
B. 70-80 °C
C. 50-60 °C
D. 90-100 °C
Answer: D
MCQ-17
One of the factors on which the vapor pressure of a liquid depends is
A. Amount of liquid
B. Nature of liquid
C. Volume of container
D. Surface area
Answer: B
MCQ- 18
Water boils at 69°C at the top of Mount Everest. The vapour pressure there is
A. 1489 torr
B. 323 torr
C. 760 torr
D. 700 torr
Answer: B
MCQ-19
Evaporation is inversely related to
A. London dispersion forces
B. Temperature
C. Surface area
D. Both ‘B’ and ‘C’
Answer: A
MCQ – 20
Evaporation is not
A. Endothermic
B. Exothermic
C. Spontaneous
D. Cooling
Answer: B
