Heat is always evolved in a-an reaction-A- physicalB- exothermicC- endothermicD- chemical

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Standard VI

Chemistry

Energy Conversion from One Form to Another

Heat is alway...

Question

Heat is always evolved in a/an __________ reaction.

physical

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exothermic

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endothermic

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chemical

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Solution

The correct option is B exothermic
Heat is given out in a exothermic reaction

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Heat is always evolved in a/an __________ reaction.

The correct option is B exothermicHeat is given out in a exothermic reaction

The correct option is B exothermic
Heat is given out in a exothermic reaction