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One of the following is an exothermic re...

One of the following is an exothermic reaction. This is

A

electrolysis of water

B

conversion of limestone into quicklime

C

process of respiration

D

process of photosynthesis

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The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. One of the following is an endothermic reaction. This is :

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  2. Which of the following is not an endothermic reaction ?

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  3. One of the following is an exothermic reaction. This is

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  4. The chemical equations are balanced to satisfy one of the following la...

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  5. When the solution of substance X is added to a solution of potassium i...

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  6. When water is added gradually to a white solid X, a hissing sound is h...

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  7. When metal X is treated with a dilute acid Y, then a gas Z is evolved ...

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  8. A silver-white metal X taken in the form of ribbon, when ignited, burn...

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  9. A metal X forms a salt XSO(4). The sale XSO(4) forms a clear solution ...

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  10. The metal M reacts vigorously with water to from a solution S and a ga...

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  11. When a mixture of gases X and Y is compressed to 300 atm pressure and ...

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  12. The white solid compound A decomposes quite rapidly on heating in the ...

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  13. Gas A, which is the major cause of global warming, combines with hydro...

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  14. What type of reaction is represented by the digestion of food in our b...

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  15. Name the various types of chemical reactions.

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  16. Why does the colour of copper sulphate solution change when an iron na...

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  17. Write the balanced chemical equation for the following reaction: Zin...

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  18. Which term is used to indicate the development of unpleasant smell and...

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  19. What is the general name of the chemicals which are added to fat and o...

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  20. State an important use of decomposition reactions.

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