SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Classify each of the following as a I) Change of state 2) change of shape(chopping a log into kindling wood)
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Change of shape
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Change of state
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The burning of paper and wood is known as an example of a chemical change. Because here, on heating paper or wood, ash is obtained which has a different chemical composition than that of paper or wood. Also, the process is irreversible as we can’t obtain paper again from ash.
Detailed explanation-2: -(b) Chemical Change: A chemical change is permanent change in which new substances are formed. whose chemical composition and physical and chemical properties are different from those of in original substance.
There is 1 question to complete.