Factors Affecting Evaporation

Q. The boiling points of Diethyl ether, Acetone and n-Butyl alcohol are ${35}^{\circ }C,{56}^{\circ }C$ and ${118}^{\circ }C$ respectively. Which one of the following correctly represents their boiling points in Kelvin scale?

1. 306 K, 329 K, 391 K
2. 308 K, 329 K, 391 K
3. 308 K, 329 K, 392 K
4. 329 K, 392 K, 308 K

Q. When you put some ice cubes in a glass, droplets of water are formed on the outer wall of the glass. This explains the phenomenon of

1. condensation
2. freezing

3. evaporation

4. melting

Q. Why evaporation is faster in case of china dish than test tube?

Q. Why is evaporation faster in the case of a china dish than a test tube?

Q.

_____ on heating to a very high-temperature change to plasma.

Q.

The rate of evaporation increases with __________.

1. decrease in surface area

2. increase in surface area

3. decrease in temperature

4. increase in humidity

Q.

Which one of the following sets of phenomena would increase on raising the temperature?

1. Diffusion, evaporation, compression of gases

2. Evaporation, compression of gases, solubility

3. Evaporation, diffusion, expansion of gases

4. Evaporation, solubility, diffusion, compression of gases

Q. According to the given distance of a place from seashore arrange these in increasing order of rate of evaporation of water.

1. 0 km
2. 20 km
3. 80 km
4. 200 km

Q. If $1L$ water is kept in 5 different bowls, arrange them in the increasing order of rate of evaporation.

1. Surface area = $350m^2$
   
2. Surface area = $250m^2$
3. Surface area = $300m^2$
4. Surface area = $50m^2$
5. Surface area = $150m^2$

Q.

state and explain the conditions affecting evaporation

Q. A swimmer coming out from a pool is covered with a film of water weighing about 18g. How much heat must be supplied to evaporate this water at 298 K ?

Q. how the humidity affects the evaporation ? without explaining with the concept of sun rays

Q. Why is evaporation faster in the case of a china dish than a test tube?

Q.

Which of these choices is / are example(s) of a plasma?

1. Aurora Borealis

2. Fluorescent light bulb

3. All of these

4. Neon sign

Q.

Which of the following does not accelerate evaporation?

1. Large surface area

2. Wind

3. Increase in temperature

4. High Humidity

Q. An equal amount of water is kept in a cup and saucer. It evaporates faster from the saucer due to the difference in the _________.

1. temperature
2. wind speed
3. surface area
4. humidity

Q.

Which of the following does not affect evaporation?

1. Surface area

2. Nature of vessel

3. Temperature

4. Humidity