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Which of the following is a physical cha...

Which of the following is a physical change ?

A

Milk turning into curd

B

Ripening of fruit

C

Extracting salt from sea water

D

Burning of wood

Text Solution

Verified by Experts

The correct Answer is:
C
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. In the following reaction the substance which is reduced is PbS+4H(2...

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

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  3. Which of the following is a physical change ?

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

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

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

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

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

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  9. Decomposition of silver chloride takes place in

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  10. Chips manufacturers flush bags of chips with gas.

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  11. 2Cu+O(2)to2CuO. This reaction is

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  12. Decomposition of water takes place by

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  13. Burning of candle is

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  14. Which one of the following acts as a reducing agent ?

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  15. Corrosion of iron can be prevented by

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  16. When iron reacts with dilute Hydrochloric acid the liberated gas is

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  17. 2KCiO(3)to2KCl+3O(2). This reaction is

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  18. Identify 'x,'y' and 'z' in the following balanced equation : xPb(NO(...

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  19. Which of the following is an endothermic reaction ?

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  20. In the reaction MnO(2)+4HCl to MnCl(2)+2H(2)O+Cl, the oxidised reactan...

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