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The gas obtained when zinc react with wa...

The gas obtained when zinc react with water is….......

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Hydrogen
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V PUBLICATION-NON - METALS-QUESTION BANK
  1. The gas liberated when manganese dioxide heated with concentrated hydr...

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  2. The condition needed in bleaching action of chlorine.

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  3. The gas obtained when zinc react with water is….......

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  4. The gas obtained when chlorine react with water is …............

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  5. The reactants used to produce chlorine in the laboratory are …...........

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  6. ….............is the protective covering of the earth.

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  7. Ozone is mainly found in the …...........

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  8. The bacteria called …................living in the roots of some plant...

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  9. The element found more on earth.

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  10. The density of hydrogen is …...........than air

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  11. A gas was formed when zinc reacted with dilute hydrochloric acid. a...

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  12. Find the odd one and give reason: a) Compost, Ammonia, Urea, Factump...

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  13. A burning candle kept on the table is covered with a glass tumbler. ...

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  14. a) Write a method of preparation of hydrogen in laboratory. b) How w...

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  15. a)Some chemicals are given in the box .find out the substances require...

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  16. If hydrogen is used as a fuel, environmental pollution can be overcome...

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  17. Bleaching powder is used as for purification of water. a) Why is ble...

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  18. a) Which are the reactants used in the preparation of hydrogen in labo...

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  19. Mention two advantages of organic fertilisers.

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  20. The molecules of hydrogen and oxygen combined to form the new substanc...

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