Question

Which of the following are exothermic processes ?
(i) Reaction of water with quick lime
(ii) Dilution of an acid
(iii) Evaporation of water
(iv) Sublimation of camphor(crystals)

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (iii) and (iv)

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Answer 1

Answer:

1and 2 a option hoga 4 bhi hoti hay but who quantity pay depend bhi depend krti hay