SCIENCE
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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composition
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shape
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temperature
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volume
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Detailed explanation-1: -Physical change is a change in which the appearance, shape, size, colour and state of the substance changes but the chemical composition remains the same.
Detailed explanation-2: -During a physical change, only a change in shape, size, arrangement can take place but no new molecule gets formed.
Detailed explanation-3: -Physical changes occur when objects or substances undergo a change that does not change their chemical composition. This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances.
Detailed explanation-4: -The decay of matter is not a physical change.
Detailed explanation-5: -The changes are of two types: Physical and chemical change. A physical change is a change that involves only a change in the physical state of matter. Its chemical properties remain the same.