SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Physical change
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chemical change
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Either A or B
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None of the above
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Detailed explanation-1: -Burning of coal, wood or leaves is also a chemical change. In fact, burning of any substance is a chemical change.
Detailed explanation-2: -Hence, the burning of coal is chemical changes.
Detailed explanation-3: -(C) Burning of coal is a Chemical change new substance such as carbon dioxide and water form when we are burning coal. Due to the formation of new substances, burning coal is classified as a chemical change. as it is irreversible in nature and a new substance is formed which cannot be made into coal.
Detailed explanation-4: -Burning is a chemical change as new substance is formed with new properties and it cannot be reversed. Was this answer helpful?
Detailed explanation-5: -The process of burning (as opposed to evaporating) is a chemical reaction, a chemical change.