Why is burning of cooking gas a fast change?Give reasons.
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When the liquid is converted into vapours and mixed with air during burning, a chemical change takes place. Another example of a change in which both physical and chemical changes occur is burning of LPG gas. ... Curd cannot be converted back to milk, hence it is a chemical change
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When the liquid is converted into vapours and mixed with air during burning,a chemical change take place.
Another example of a change in which both physical and chemical change occurs in burning of LPG gas.
Curd cannot be converted back to milk.Hence, it is a chemical change......
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