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State one similarity and one difference between evaporation and boiling.
List four factors which affect the rate of evaporation.
Describe an activity to show that water vapour is present in air.
Distinguish solids, liquids and gases in a tabular form under the following characteristics-
Which state of matter has definite volume but no definite shape?
A motor car, with its glass totally closed, is parked directly under the sun. The inside temperature of the car rises very high. Explain why?
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