SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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WHY is burning a campfire a chemical change?
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It created a new substance with new properties
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It changes in size
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There is a lot of smoke
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The logs get smaller
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Explanation:
Detailed explanation-1: -When wood is set on fire, the Carbon present in the form of Methane or butane combusts in the presence of Oxygen to form water and Carbon dioxide. The burning of wood is a chemical change as it leads to the formation of new substances like Carbon dioxide gas, water vapour, ash, etc.
Detailed explanation-2: -When wood catches fire and turns into ash letting off lots of smoke, this is a chemical change.
Detailed explanation-3: -In fact, burning of any substance is a chemical change.
Detailed explanation-4: -The process of burning (as opposed to evaporating) is a chemical reaction, a chemical change.
There is 1 question to complete.