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One gas bleaches the colour of the flowe...

One gas bleaches the colour of the flowers by reduction while the other by oxidation. The gases are:

A

CO and `CO_2`

B

`H_2S and Br_2`

C

`SO_2 and Cl_2`

D

`NH_3 and SO_3`

Text Solution

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The correct Answer is:
C
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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
  1. The commercial name for peroxydisulphuric acid is:

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  2. Oxygen is divalent, whereas sulphur exhibits valency of 2,4 and 6 due ...

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  3. One gas bleaches the colour of the flowers by reduction while the othe...

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  4. Reaction of solid KMnO4 with conc H2SO4 produces maganese heptoxide (M...

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  5. A certain compound when burnt gave three oxided. The first turned lime...

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  6. Which substances chars when warmed with conc H2SO4 ?

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  7. Rhombic and monoclinic sulphur are:

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  8. Large deposite of sulphur in nature are found in the form of:

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  9. Number of hydroxyl groups present in pyrosulphuric acid is:

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  10. Sulphuric acid on heating with sulphur powders gives:

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  11. on heating sodium as well as sulphur can be melted molten sodium and m...

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  12. Ozonisation of water is carried out to remove

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  13. Platinized asbestos used as a catalyst in the manufacture of H2SO4 is ...

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  14. Which is not used in vulcanisation of rubber?

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  15. When H2SO4 is added to charcoal

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  16. Oxygen differs from sulphur in:

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  17. The strongest oxidising agent is:

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  18. When fluroide is heated with conc H2SO4 and MnO2 the gas evolved is:

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  19. In order to demonastrate the dehydrating action of H2SO4 it is poured ...

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  20. Number of valency electrons used in the lewis structure SO4^-2 are:

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