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 aI) Change of state2) change of shape(cutting dough into strips )
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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: -Physical changes can further be classified as reversible or irreversible. The melted ice cube may be refrozen, so melting is a reversible physical change. Physical changes that involve a change of state are all reversible.
Detailed explanation-2: -In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.
There is 1 question to complete.