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प्रश्न
What do you observe when :
a spoon of sugar is heated in a pan
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उत्तर
When a spoon of sugar is heated in a pan, black (charred sugar) (carbon) is seen. Is a chemical change.
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संबंधित प्रश्न
What do you observe when :
a piece of paper is burnt
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During a physical change energy is either given out or absorbed by the system.
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An earthquake is a _______ change.
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Under which different types can the following changes be classified?
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Explain in brief the involvement of energy in physical and chemical changes.
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.
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