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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-
The following figure illustrates the three states of matter and their interconversion. Identify the processes represented by A and B.
The property to flow is unique to fluids. Which one of the following statements is correct?
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