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Evaporation

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What effect does Evaporation cause ?

a)

Heating Effect

b)

Magnetic Effect

c)

Cooling Effect

d)

Warming Effect

2.

What happens when Acetone is poured on your palm ?

a)

The particles gain energy from acetone and evaporate

b)

The particles gain energy from the surroundings and evaporate

c)

The particles gain energy from the palm and evaporate

d)

The particles gain energy from the Palm or Surroundings and evaporate

3.

Which of the following factors thus affect evaporation ?

a)

Increase in Surface Area

b)

Increase in temperature

c)

Increase in Humidity

d)

Decrease in Wind speed

4.

What is Humidity ?

a)

Amount of water present in air

b)

Amount of water vapour present in air

c)

Amount of energy present

5.

_________ is a factor Affecting Evaporation .

a)

Humidity is a factor Affecting Evaporation

b)

Temperature is a factor Affecting Evaporation

c)

Increase in surface area is a factor Affecting Evaporation

d)

Cooling is a factor Affecting Evaporation

6.

When there is an Increase in wind speed,

a)

Decreases water vapour

b)

Increases water vapour

c)

Decreases rate of Evaporation

d)

Everything remains the Same

7.

Why do we see water droplets on the outer surface of glass containing ice-cold water ?

a)

Due to Evaporation

b)

Due to condensation

c)

Due to precipitation

d)

Due to the water vapour present in air

8.

Rate of evaporation increases as?

a)

exposed surface area of liquid increases

b)

exposed surface area of liquid decreases

c)

movement of air above surface of liquid decreases

d)

atmospheric pressure increases

9.

Evaporation occurs only _____

a)

after boiling

b)

after extreme cooling

c)

at surface of a liquid

d)

if boiling occurs at atmospheric pressure

10.

Evaporation is a ______ phenomenon

a)

Non Surface

b)

Air

c)

Surface

d)

Non Air