Which of the following is an endothermic process?
A. Dilution of concentrated sulphuric acid
B. Melting of ice
C. Dissolving sodium hydroxide in water
D. Burning of methane
1 answer
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Answer: B. Melting of ice
Ice absorbs heat to melt, so it is endothermic. The other three give out heat.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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