Properties such as shape, size, color and state of a substance are called its physical properties.
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
When no new substance is formed after the change, it is called ___________ change. | |||
Right Option : A | |||
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Which of the following are correct ? (a) Properties such as shape, size, color and state of a substance are called its physical properties. (b) Physical change is reversible and permanent. | |||
Right Option : A | |||
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Which of the following are correct : (a) When no new substance is formed after the change, it is called physical change. (b) Physical changes are usually reversible. | |||
Right Option : C | |||
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