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प्रश्न
Which of the following statement is incorrect for a chemical reaction?
विकल्प
Heat may be given out but never absorbed.
Sound may be produced.
A colour change may take place.
A gas may be evolved.
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उत्तर
Heat may be given out but never absorbed.
Explanation:
Heat may be given out or absorbed during a chemical reaction.
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संबंधित प्रश्न
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