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The reactants used to produce chlorine i...

The reactants used to produce chlorine in the laboratory are …........ And concentrated hydrochloric acid.

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Potassium permanganate
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V PUBLICATION-NON - METALS-QUESTION BANK
  1. The gas obtained when zinc react with water is….......

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

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

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

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

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

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  7. The element found more on earth.

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

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

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

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

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

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

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

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

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

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  17. Mention two advantages of organic fertilisers.

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

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  19. In the laboratory preparation of chlorine , a) Why chlorine gas is pa...

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  20. Oxygen is prepare by heating of potassium permagnate. a) Write the c...

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