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A spoonful of sugar is added to a beaker containing 500 ml of water and stirred for a while. State any two observations that you will make.
Account for your observations.
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-
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