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प्रश्न
Fill in the blanks
Oxygen is used in ___________the food to get _______.
उत्तर
Oxygen is used in burning the food to get energy.
APPEARS IN
संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Tick (√) the most appropriate answer.
The humans pollute the air by :
Briefly state the importance of Water vapour.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Write fully balanced equation for the following :
CO2 + H2O →
Name three different appliances where air is utilized.
What is the source of carbon dioxide in air?
How will you prove that air supports burning?
The amount of water vapour in the air is more in windy places than in other areas.
Explain the following observations very briefly
An empty glass in fact is not empty.
