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Which one of the following pairs of subs...

Which one of the following pairs of substances on reaction will not evolve `H_(2)` gas ?

A

Coppar and HCl (aqueous)

B

Iron and steam

C

Iron and `H_(2)SO_(4)` (aqueous)

D

Sodium and ethyl alcohol

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-HYDROGEN-ASSIGNMENT (SECTION - C) (Previous type questions)
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  3. Which one of the following pairs of substances on reaction will not ev...

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  4. Zn gives hydrogen with H2SO4 and HCl but not with HNO3 because

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  5. The pair that yields the same gaseous product on reaction with water :

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  6. Ortho and para-hydrogen differ in the

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  7. Action of water or dilute mineral acids on metals can give

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  9. Spin isomerism is shown by

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  10. Hydrogen can be fused to form helium at

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  11. What is formed when calcium carbide reacts with heavy water?

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  12. The maximum possible number of hydrogen bonds in which an H(2)O molecu...

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  13. In which of the following reaction hydrogen peroxide is a reducing ag...

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  14. There is a smaple of 10 volume of hydrogen peroxide solution . Calcula...

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  15. In lab H(2)O(2) is prepared by

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  16. H(2)O(2) acts as an oxidising agent in

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  17. Hydrogen peroxide is reduced by

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  18. The volume of oxygen liberated from 15 ml of 20 volume H(2)O(2) is

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  19. The volume of oxygen liberated from 0.68g of H(2)O(2) is

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  20. The H - O - O bond angle in H(2)O(2) (g) is

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