Water in a dish evaporates faster than in a bottle. Give reason.

Give Reasons

Rate of evaporation is more when the area of the exposed surface is more. As area exposed in a dish is more, evaporation is also more.

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Chapter 1 Matter
Short/Long Answer Questions | Q 20 | Page 17

Explain with an example to demonstrates that when a liquid evaporates, it takes heat from its surroundings.

Would you cool a bucket of water more quickly by placing it on ice or by placing ice in it? Give reasons for your answer.

Define the following terms Condensation

How can the evaporation of a liquid be made faster ?

Which of the following are also considered to be the states of matter ?

The amount of vapour in 1 cu.m. of air shows the ______.

Look at Fig. 1.3 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain.

Comment on the following statements:

Evaporation produces cooling.

Evaporation is a fast process and occurs only at the surface of the liquid.

The rate of evaporation is more when the surface area is greater.