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The composition of air in terms of perce...

The composition of air in terms of percentage of its various components is given.

Mention any two uses of X and Y.

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(i) Nitrogen dilutes the activity of oxygen.
(ii) Nitrogen is essential for the growth of plants.
(iii) Oxygen is essential for respiration.
(iv) Oxygen supports combustion.
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PEARSON IIT JEE FOUNDATION-AMAZING AIR-Test Your Concepts (Short Answer)
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  2. The composition of air in terms of percentage of its various component...

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  3. The composition of air in terms of percentage of its various component...

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  4. The composition of air in terms of percentage of its various component...

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  5. How is the balance of oxygen in atmospheric air maintained ?

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  6. Both the active component and the inactive component of play importan...

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  7. Gas X is the heaviest component of natural air. Identify X

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  8. Gas X si the heaviest component of natural air. (a) Identify...

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  9. The mountaineers carry oxygen gas cylinders with them while climbing h...

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  10. Thought air contains only about 0.03% of carbon dioxide , it is a very...

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  11. The following two experiments are conducted to prove the release of ca...

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  12. What is the observation when air comes in contact with a cool surface ...

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  13. Identify the mistake(s) in the diagrams and give justification.

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  14. What inference can be drawn from the above diagrams?

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  15. Write the chemical name of the substance taken in the test tube.

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  16. What is the observation? Give reasons.

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  17. The air present in the test tube as shown in the diagram is sucked out...

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  18. Can an empty bottle be filled with water , when it is inverted into a ...

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  19. (a) Mention the substance used in white washing. (b) State the r...

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