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प्रश्न
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
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उत्तर
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
Name two air pollutants which cause acid rain.
State four steps to be taken to control air pollution.
Write ‘true’ or ‘false for the following;
Air is a compound.
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Give a brief account of the discovery of air and the scientists involved.
How is light scattered by the air?
What should be done if the clothes of a person catch fire accidentally? Why?
______ is important for all living creatures.
