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प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
विकल्प
Chemical change
Physical change
उत्तर
Physical change
Explanation:
Melting butter in a pan is a physical transformation since there is no change in the chemical composition of butter; only its physical state changes from solid to liquid.
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संबंधित प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
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change in which the substance can be brought back to its original state is called a ............... change.
Tick (√) the correct alternative from the choice given for the following statement
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Across
1. Energy in the form of sunlight is absorbed by the green plants in this process.
4. The reddish-brown substance formed over iron in the presence of oxygen and moisture.
5. This change is permanent and irreversible.
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Down
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3. It is a physical change.
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Slow and fast change.
