Physical Change


Physical and Chemical Change I - Concepts
Class - 7th DAV Subjects
 
 
Concept Explanation
 

Physical Change

Properties such as shape, size, color and state of a substance are called its physical properties.

Physical Changes:

Physical changes are the changes in which no new substance is formed. E.g. the formation of ice from water is a physical change. Physical changes are most of the times for a short span of time, better we can say these changes are temporary and can be reserved. Hence physical change can be defined as: A physical change is the one that changes the shape, size, physical state or appearance of substance but not its chemical composition

Characteristics of a physical change:

  • The change is reversible and temporary.
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    Sample Questions
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    Question : 1

    When no new substance is formed after the change, it is called ___________ change.

    Right Option : A
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    Question : 2

    What are the examples of physical change ?

    Right Option : D
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    Question : 3

    What are the characteristics of physical change ?

    Right Option : D
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