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In reacting with cold water, an active m...

In reacting with cold water, an active metal produces

A

oxygen

B

nitric acid

C

a base

D

none of these

Text Solution

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The correct Answer is:
C
a base
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S CHAND IIT JEE FOUNDATION-HYDROGEN-QUESTION BANK
  1. Complete and balance the following equation : K+H2O rarr ""+""

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  2. Complete and balance the following equation : Fe3O4+4H2 rarr ""+""

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  3. Complete and balance the following equation : Al+H2SO4 rarr ""+H2

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  4. He gave hydrogen its present name:

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  5. Hydrogen reacts with this element to form ammonia

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  6. This is the least reactive metal in the metal activity series.

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  7. Which is the lightest gas ?

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  8. Deuterium is an isotope of hydrogen. How many neutrons does it contain...

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  9. This gas burns with a popping sound.

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  10. Hydrogen burns to give a

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  11. The catalyst used in the manufacture of ammonia by Haber process is

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  12. Which one of the following is not an isotope of hydrogen?

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  13. The sum of the number of neutrons and protons in the three isotopes of...

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  14. Which of the following statements is not correct about hydrogen?

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  15. For the reaction PbO +H2 rarr Pb+H2O, which of the following statement...

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  16. In reacting with cold water, an active metal produces

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  17. The metal oxide which is reduced by hydrogen is:

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  18. Which of the following statements is not true for H^(1), H^2 and H^3?

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  19. Prepare a concept map for hydrogen under the following heads:

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  20. Solve the following crossword with the help of the given clues : ...

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