Assertion :A physical property can be identified without bringing any chemical changes. Reason: Chemical changes takes place through chemical reactions.
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Q3
When a
candle burns, both physical and chemical changes take place. Identify
these changes. Give another example of a familiar process in which
both the chemical and physical changes take place.
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Q4
When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place.
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Q5
Question 5 When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place.