MCQ
A chemical change is one which occurs with:
- AThe formation of new substances.
- BThe evolution or absorption of energy.
- ✓Both the above.
- DNone of these.
A chemical change is accompanied by the formation of new substance and general lyoccurs with the evolution/ absorption of energy.
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$(i)$
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Tyres
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$(ii)$
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Sprayers
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$(iii)$
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Gas cylinders
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