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प्रश्न
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
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उत्तर
Rusting is a chemical reaction which involves slow oxidation.
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संबंधित प्रश्न
Fill in the blank:
_____________ discovered the oxygen gas.
Give two uses of the following component present in air:
water vapour
Define the following:
Respiration
Mention five causes of air pollution.
State four steps to be taken to control air pollution.
Fill in the blank
Air is a ______ of gases
State what do you understand by the term ‘air’. Explain its importance to mankind.
Answer in your own words.
What are the various constituents of air? Write their uses.
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
Air has no ______ & ______.
