The gaseous form of water is:
Vapour
Ice
Clouds
Sea water
Which method kills germs present in water?
Filtration
Boiling
Distillation
Purification
Clouds are formed by:
Water getting evaporated
Water rising in the air
Water turning into ice
Water droplets joining together
In towns and cities, water is purified in a:
Filter
Purification plant
Reservoir
Dams
Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
Freezing is:
Change of liquid to solid
Change of solid to liquid
Change of liquid to gas
Change of solid to gas
The process by which a substance change from solid state to liquid is called:
Melting
Freezing
Evaporation
Condensation
In which way can we save water?
Turning off the tap while brushing our teeth
Turning on the tap while brushing our teeth
Washing fruits and vegetables in running water from the tap
By lengthening our bath
In villages, people collect water from:
Wells
Reservoirs
Overhead storage tanks
Pipes
Why should not we waste water?
Because there is lot of water on earth
Because there is no water on earth
Because water resources on earth are getting dry
Because lot of water is getting polluted
