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One of the following is not an example f...

One of the following is not an example for a redox reaction , it is :

A

reaction of barium chloride with sodium dulphate

B

digestion of food

C

decolourizing of potassium dichromate by `SO_(2)`

D

decomposition of calcium carbonate.

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The correct Answer is:
A
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. Photochemical reactions are carried out in the presence of

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  2. Choose combination reaction from the following :

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  3. One of the following is not an example for a redox reaction , it is :

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  4. When a white crystalline solid is heated strongly, it decomposes to gi...

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  5. Which of the following is a physical change ?

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  6. The mole ratio hydrogen and oxygen gases liberated during electrolysis...

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  7. The chemical change when the solutions of barium chloride and sodium s...

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  8. Identify the correct balanced chemical equation among the following :

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  9. When copper vessels are kept in open air, over a period of time they c...

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  10. X is a reddish - brown metal used in electrical wires. When the same m...

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  11. When hydrogen sulphide is treated with chlorine gas, it gives hydrochl...

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  12. A dilute ferrous sulphate solution was added to the beaker containing ...

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  13. In the following reaction the substance which is reduced is PbS+4H(2...

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  14. Which of the following gases can be used for storage of fresh sample o...

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  15. Which of the following is a physical change ?

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  16. Which of the following reactions is characterised by an yellow product...

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  17. Which of the following statements about the given reaction are correct...

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  18. Fe2O3+2Al toAl2O3+2Fe. This reaction is a

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  19. Which of the following is not a physical change ?

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  20. When copper undergoes corrosion the colour of the coating formed on it...

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