GS Water
Water boils at a lower temperature at high altitudes, because
Water boils at a lower temperature at high altitudes, because
- the air pressure is less
- outside temperature is less
- less latent heat is less
- None of the above
When pure water boils vigorously, the bubbles that rise
When pure water boils vigorously, the bubbles that rise to the surface are composed primarily of
- air
- hydrogen
- hydrogen and oxygen
- water vapour
Potable water is the water which is
Potable water is the water which is
- obtained from a river
- obtained from a lake
- pure and fit for drinking
- used only for washing clothes
The amount of water recommended by the United Nations for drinking, washing, cooking
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of
- 5 litres
- 15 litres
- 30 litres
- 50 litres
On which of the following day is World Water Day observed
On which of the following day is World Water Day observed?
- 22 March
- 14 November
- 2 October
- 21 December
Transpiration is a process in which plants
Transpiration is a process in which plants
- receive water from soil.
- absorb water vapour from air.
- prepare food from water.
- release water vapour.