Question

:
How can we say that burning of candle is a chemical change but the glowing
of bulb is a physical change?​

Answer 1

Answer:

during burning of candle new substances like carbon dioxide gas and water vapour are produced, hence it is a chemical change as well. Glowing of an electric bulb is a physical change since no new substance with different properties is formed.

Answer 2

$\bold\star{Answer-:}$

Also, during burning of candle new substances like carbon dioxide gas and water vapour are produced, hence it is a chemical change as well. Glowing of an electric bulb is a physical change since no new substance with different properties is formed.....♡