Question

answer the following question

question no.4​

Answer 1

Answer:

we can say that burning of candles is chemical because burning of candles prouduce wax that is a product

in chemical change other substances formed

but in glowing bulb we can't obtain new product so it is a physical changes

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Answer 2

Answer:

burning candle is a chemical process because it causes a black smoke which can neither be changed into its original state.but melting of candle is physical change because it can be changed into solid.

The glowing of bulb will not cause any chemical radiation.and is a physical change.