Which of the following does not involve a chemical reaction?
a) digestion of food in our body
b)respiration
c) melting of wax candle
on heating
d)rusting of iron
Answers
Answered by
3
Answer:
Melting of candle wax on heating is an example of physical change no chemical reaction is taking place only the change of state from solid to liquid state.
Answered by
1
Answer:
Melting of wax candle on heating
Explanation:
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