A) True
B) False
C) Can't say
D) Partially true/false
Correct Answer: A
Solution :
[a] During burning of candle, both physical and chemical changes take place. The melting of wax changes the state of wax from solid to liquid and energy is absorbed which is a physical change. The wax vapours form\[{{\operatorname{CO}}_{2}}\], \[{{\operatorname{H}}_{2}}\operatorname{O}\] and energy is evolved, which is a chemical change.
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