Question

Guys i need this urgently​

Answer 1

Answer:

a) confirm...ye mene kal he padha tha

a) is the correct answer

Answer 2

Answer:

(a) Decomposition of ferrous sulphate - Endothermic in nature

(b) Dilution of sulphuric acid - Exothermic in nature

(c) Dissolution of sodium hydroxide in water - Exothermic in nature

(d) Dissolution of ammonium chloride - Endothermic in nature

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