HOW IS BURNING OF LPG GAS BOTH PHYSICAL AND CHEMICAL CHANGE?
PLS USE THE WORD "EXOTHERMIC REACTION"
(ONE WITH RELEVANT WILL BE MARKED AS BRAINLIEST )
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Burning of LPG gas is physical change because on burning , LPG forms H20 and Co2.
While conversion of liquid to gaseous state is physical change.
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When the reactants are mixed, the temperature change caused by the reaction is an indicator of a chemical change. This reaction generates heat as a product and is (very) exothermic. However, physical changes can be exothermic or endothermic. Thus, it is a physical change.
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