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प्रश्न
A physical change is generally____________.
उत्तर
A physical change is generally reversible.
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संबंधित प्रश्न
Write true or false for the statement
A natural change can also be a desirable change
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What is a physical change ? Give two examples of physical changes.
Which of the following are physical changes and which are chemical changes ?
Is a change of state of matter – a physical or a chemical change. Give reasons.
Give a reason why – Rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Digestion of food is a physical change.
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Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
Cutting a log of wood into pieces is a chemical change.
