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Which of the following are exothermic pr...

Which of the following are exothermic processes?
1. Reaction of water with quick lime
2. Dilution of an acid
3. Evaporation of water
4. Sublimation of camphor (crystals)

A

(i) and (ii)

B

(ii) and (iii)

C

(i) and (iv)

D

(iii) and (iv)

Text Solution

Verified by Experts

The correct Answer is:
a
Exothermic reactions are the reactions in which heat is released along with the formation of products.
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OSWAL PUBLICATION-CHEMICAL REACTIONS-NCERT EXEMPLAR (Multiple Choice Questions)
  1. Which of the following is not a physical change?

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  2. The following reaction is an example of a 4NH(3)(g) +5O(2)(g) to 4NO...

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

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  4. Which of the following are exothermic processes? 1. Reaction of wate...

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  5. Three beakers labelled as A, B and C each containing 25 mL of water we...

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  6. A dilute ferrous sulphate solution was gradually added to the beaker c...

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  7. Which among the following is (are) double displacement reaction (s)? ...

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  8. Which among the following statement (s) is /are true? Exposure of silv...

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  9. Solid calcium oxide reacts vigorously with water to form calcium hydro...

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  10. Barium chloride on reacting with ammonium sulphate forms barium sulpha...

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  11. Electrolysis of water is a decomposition reaction. The mole ratio of h...

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  12. Which of the following is (are) an endothermic process(es)? (i) Dil...

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  13. In the double displacement reaction between aqueous potassium iodide a...

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

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  15. The following reaction is used for the preparation of oxygen gas in th...

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  16. Which one of the following processes involve chemical reactions?

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  17. In which of the following chemical equations, the abbreviations repres...

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  18. Which of the following are combination reactions? (i) 2KClO(3)over...

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