a) Can a physical change and a chemical change occur together?Îllustrate your answer
b)Is air a mixture or a compound
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2
Answer:
(a)Yes ,in candle both occurs together.When burning occurs that time chemical and when melting that time physical.(b)Air is a mixture
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2
Answer:
yes it can occur in candle because burning of gas is chemical change and cooling the wax that is formed while burning is physical change.
for ans b it should me mixture
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