when a candle burns, both physical and chemical occurs? explain?
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now as we know candle contains wax then when the candle melts it is an physical change but when the candle solidifies it is a chemical change.
Anonymous:
solidifying isn't any chemical change
THIS IS WHAT I WROTE IN MY EXAM AND THE SAME THING IS ON THE INTERNET.
ok if u melt ice and again if u freeze it, then it will be chemical change??
send that lonk from where u got that answer
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Answered by
5
!!!
when a candle burns, both physical and chemical change occurs. yes, both physical and chemical change occurs when a candle burns.
physical change are reversible, here the melting of candle is a physical change as it's reversible and there's no chemical reaction in the wax of a candle.
chemical changes are irreversible and chemical reactions occurs and hence new substance is formed. in a burning candle, only the wick of the candle is being burnt. and as we know burning is a chemical reaction. particles of wick break down into simpler substances and then react with oxygen to give off light and heat.
hence, both physical and chemical changes ccur when a candle burns.
!!!
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