Question:
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
Solution:
(a) Endothermic
(b) Exothermic
(c) Exothermic
(d) Endothermic.
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