Question

In which of the following, heat energy will be evolved?
A. Decomposition of AgBr in the presence of sunlight
B. Dissolution of NH4Cl in water
C. Burning of L.P.G.
D. None of the above

Answer 1

heat energy will be evolved Burning of L.P.G.

Answer 2

Option C,i.e,Burning of L.P.G