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Which of the following is a physical cha...

Which of the following is a physical change ?

A

burning of natural gas

B

process of respiration

C

decomposition of silver chloride

D

heating and cooling of `ZnO`

Text Solution

Verified by Experts

The correct Answer is:
B
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. One of the following is not an example for a redox reaction , it is :

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

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  3. Which of the following is a physical change ?

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

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

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

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

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

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

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

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

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

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  13. Which of the following is a physical change ?

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

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

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

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

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

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  19. Decomposition of silver chloride takes place in

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  20. Chips manufacturers flush bags of chips with gas.

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