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Chemistry
Evaporation process
What is meant by evaporation to dryness?

Chemistry
Evaporation process
What is evaporation? Explain it on the basis of molecular motion.

Chemistry
Evaporation process
What is the principle of evaporation?
Chemistry
Evaporation process
Evaporation of water takes place only in sunlight.
True or False
Chemistry
Evaporation process
The liquid which has the highest rate of evaporation is:
a) Petrol
b) honey
c) Water
d) Alcohol
Chemistry
Evaporation process
What change of state is observed during evaporation?
(A) Liquid to gas
(B) Gas to solid
(C) Solid to liquid
(D) Liquid to liquid

Chemistry
Evaporation process
Evaporation takes place at/in
i.Boiling point
ii.Freezing point
iii.Between the freezing point and boiling point

Chemistry
Evaporation process
What is the effect of wind speed on evaporation?
Chemistry
Evaporation process
What is the effect of dryness of air on evaporation?
Chemistry
Evaporation process
Assertion: It takes longer to dry wet clothes in humid weather.
Reason: The presence of humidity in the atmosphere means water vapour in the atmosphere is already heavy so when we try to dry clothes the evaporation process is slow but effective due to the presence of water vapour in the air.
(A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
(B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
(C) Assertion is correct but Reason is incorrect
(D) Both Assertion and Reason are incorrect

Chemistry
Evaporation process
Which method is commonly used to separate salt from water?
A) Sedimentation
B) Filtration
C) Evaporation
D) Condensation
Chemistry
Evaporation process
Write a short note on vapor pressure.
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