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Which among the following changes are exothermic or endothermic in nature?

(a) Decomposition of ferrous sulphate
(b) Dilution of sulphuric acid
(c) Dissolution of sodium hydroxide in water
(d) Dissolution of ammonium chloride in water

Science - Exemplar Problems

Chapter_Chemical Reactions And Equations


(a) n (d) are endothermic
(d) n (c) are exothermic.

hoped helped u :))
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