MCQ
Which of the following endothermic processes are spontaneous
- AMelting of ice
- BEvaporation of water
- CHeat of combustion
- ✓Both $(a) $ and $(b)$
Melting of ice and Evaporation of water is show endothermic process
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

The product $'B'$ is?