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What is the colour of nitrogen gas?...

What is the colour of nitrogen gas?

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V PUBLICATION-NON - METALS-QUESTION BANK
  1. …....is inevitable for growth and sustenance of living organisms.

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  2. Find the relation and fill them suitably: Oxygen: for respiration ...

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  3. What is the colour of nitrogen gas?

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  4. The chief ingredients of chemical fertilisers are................

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  5. …............is used for the production of electricity by the reaction...

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  6. The gas liberated when manganese dioxide heated with concentrated hydr...

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  7. The condition needed in bleaching action of chlorine.

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

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

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

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

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

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

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  14. The element found more on earth.

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

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

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

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

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

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

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