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The element which evolves two gases on r...

The element which evolves two gases on reacting with conc. `H_(2)SO_(4)` is

A

Si

B

C

C

S

D

P

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The correct Answer is:
B
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AAKASH SERIES-REVISION EXERCISE -VIA GROUP ELEMENTS
  1. In the preparation of H(2) SO(4), by Constact process V (2) O(5) is u...

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  2. Which statement is correct ?

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  3. Which gas is used to imporve the atmosphere of crowded places ?

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  4. Ozonization of water is carried out to remove

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  5. C(12) H (12) O (11) overset(H(2) SO (4)) to H (2) O + A overset( H (2)...

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  6. All of the following decompose easily on heating to give O(2) except

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  7. In the preparaiton of O2 from KClO3, MnO2 acts as

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  8. Oxygen is liberated from water using

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  9. The gases absorbed by alkaline pyrogallol and turpentine oil respectiv...

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  10. Regarding oxygen the correct statements are A) It is an important co...

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  11. Concentratged H(2)SO(4) is not used to prepare HBr from KBr becaue it

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  12. Most acidic oxide in group VI is formed by

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  13. The element which evolves two gases on reacting with conc. H(2)SO(4) i...

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  14. H(2)SO(4) has very corrosive action on skin because

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  15. A student accidently splashes few drops of conc. H,SO, on his cotton s...

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  16. Sulphuric acid is used A) In petroleum refining B) In galvanising ...

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  17. Which reaction represents the oxidizing behaviour of H(2)SO(4) ?

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  18. Which substance chars when warmed with conc. H2SO4 ?

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  19. HCOOH reacts wihth conc. H(2)SO(4) to produce

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  20. Ozone oxidises iodide to

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