SSC
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is a physical change?
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corrosion
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tarnishing
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rotting
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cutting
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Explanation:
Detailed explanation-1: -Cutting logs of wood into small pieces is a physical change because no new substance is produced or formed.
Detailed explanation-2: -Cutting your hair is a physical change. A physical change happens when a substance is altered somehow but remains the same substance. It is not chemically changed. For example, when you cut your hair, it is still your hair; you have simply removed some of it.
Detailed explanation-3: -When iron is melted only the state of iron changes. The solid iron changes its state of matter as solid turns liquid. Thus, it’s a physical change.
There is 1 question to complete.