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In which of the following heat energy will be evolved? 1) Electrolysis of water 2) Dissolution of NH4Cl in water 3) Burning of LPG 4) Decomposition on AgBr in the presence of sunlight

In which of the following heat energy will be evolved?
1) Electrolysis of water
2) Dissolution of NH4Cl in water
3) Burning of LPG
4) Decomposition on AgBr in the presence of sunlight

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Our expert is working on this Class X Science answer. We will update the answer very soon.
Yash Patari
askIITians Faculty 2123 Points
2 years ago
Dear student
Answer: (3) Burning of L.P.G.
Electrolysis of water absorbs heat. Dissolution of NH4Cl in water provide us NH4OH and HCl and there is no release of heat during the reaction. Decomposition of AgBr undergo reaction in the presence of sunlight.

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