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In the reaction with acidified K(2)Cr(2)...

In the reaction with acidified `K_(2)Cr_(2)O_(7)` solution ,` SO_(2)` acts as

A

an oxidizing agent

B

a reducing agent

C

a bleaching agent

D

a catalytic agent

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The correct Answer is:
B
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BHARATI BHAWAN (ENGLISH)-PRACTICALS -EXERCISE
  1. The smell of sulphur dioxide is

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  2. Crystals of ferrous sulphate when exposed to air become

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  3. In the reaction with acidified K(2)Cr(2)O(7) solution , SO(2) acts as

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  4. A colourless gas produces irritation in lungs when inhaled and gives t...

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  5. Mohr's salt is

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  6. The bleaching action of sulphur dioxide is due to

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  7. Sulphur dioxide is not recognized by

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  8. The products formed when sodium sulphite is made to react with dilute ...

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  9. When SO(2) gas is passed through an acidified solution of K(2)Cr(2)O(7...

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  10. Name the substance which is used to prepare blue-black ink

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  11. Sulphur dioxide gas is dried by passing through concentrated H(2)SO(4)...

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  12. Sulphur dioxide gas should not be inhaled directly because

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  13. When a flower bleached by sulphur dioxide is brought in contact with a...

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  14. When SO(2) gas is allowed to react with acidified potassium dichroma...

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  15. Metals that lie above hydrogen in the actively series are know as

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  16. In the reaction Mg + CuSO(4) to MgSO(4) + Cu, Mg acts as

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  17. Iron displaces copper from copper sulphate solution because

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  18. When a piece of iron is placed in a solution of copper sulphate, the b...

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  19. A reddish-brown metal which lies below hydrogen in the activity series...

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  20. Metallic zinc displaces hydrogen from dilute acids and water because

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