2. Clouds are
(a) tiny drops of water floating in air.
(b) mixture of dust and water vapour.<...
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Chemistry, 23.02.2021 19:30 angelina6836
2. Clouds are
(a) tiny drops of water floating in air.
(b) mixture of dust and water vapour.
(c) particles of water vapour.
(d) rain drops in air.
3. Floods cause extensive damage to
(a) crops.
(b) property and human life.
(c) domestic animals.
(d) all of the above.
4. âCatch water where it fallsâ is the basic idea behind
(a) Recycling of water.
(b) Making dams to store water.
(c) Rain water harvesting.
(d) Condensation of water vapour.
5. In which of the following case evaporation of water will be slowest?
(a) A tray of water kept in sunlight.
(b) A kettle of water kept on a burner.
(c) A glass of water kept in a room.
(d) A bucket of water kept on rooftop.
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