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Which of the following acts as pickling ...

Which of the following acts as pickling agent ?

A

`HNO_3`

B

`H_2 SO_4`

C

`HCl`

D

`HNO_2`

Text Solution

Verified by Experts

The correct Answer is:
B
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CENGAGE CHEMISTRY-P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY-Exercises Single Correct
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  2. Which of the following oxides exists as trigonal planar molecule in ga...

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  3. Which of the following acts as pickling agent ?

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  4. Non-metals combine with oxygen to form usually

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  5. Which one of the following is an amphoteric oxide ?

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  6. In the upper layers of atmosphere, ozone is formed.

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  7. On heating ozone, its volume.

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  8. Which requires catalyst ?

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  9. In the reaction, 2 KI + H2 O + O3 rarr 2 KOH + O2 + A The compound...

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  10. Sulphur does not exist as S2 molecule because

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  11. Excess of PCl5 reacts with conc. H2 SO4 gives

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  12. The element evolving two different gases on reaction with conc. H2 SO4...

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  13. Select the incorrect statement about the following :

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  14. The correct order of O-O bond length in O2,H2 O and O3.

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  15. Which of the following is not correct ?

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  16. The number of sigma and pi bonds in peroxydisulphuric acid are, respec...

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  17. Tailing of mercury test can be used for which of the following gas ?

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  18. Which of the following solutions does not change its colour on passing...

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  19. The function of Fe(OH)3 in the contact process is

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  20. The acid used in lead storage cells is

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