Advertisements
Advertisements
Question
Evaporation takes place from the
Options
surface of liquid
throughout the liquid
mid-portion of the liquid
bottom of liquid.
Advertisements
Solution
surface of liquid
APPEARS IN
RELATED QUESTIONS
How does water kept in an earthen pot (matka) become cool during summer?
What is evaporation?
Wet clothes dry more quickly on a warm dry day than on a cold humid day. Explain.
Explain why in hot summer days water remains cool in earthen pots.
Define the following term Freezing.
Why does our palm feel cold when we put some acetone (or perfume) on it ?
How will you demonstrate that water vapour is present in air ?
The scientists now say that there are actually five states of matter A, B, C, D and E. The state A has a fixed volume but no fixed shape. The state B can be compressed very easily by applying pressure and state C has a fixed shape as well as a fixed volume. The state D is a mixture of free electrons and ions whereas state E is named after an Indian scientist and a famous physicist.
- Name the physical states (i) A (ii) B (iii) C (iv) D, and (v) E
- Name one substance belonging to state C which can directly change into vapours on heating. What is this process known as ?
- Name one substance which normally belongs to state B but whose solid form changes directly into gaseous state.
- Name the most common substance belonging to state A.
- Which state of matter makes the sun and other stars to glow ?
The amount of vapour in 1 cu.m. of air shows the ______.
The rate of evaporation ______ with rising temperature.
