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प्रश्न
Classify the following as a physical or a chemical change.
Burning of paper
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उत्तर
Chemical change
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संबंधित प्रश्न
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
cutting wood into small pieces —
State whether the following is physical or chemical change.
Digestion of food —
Tick the most appropriate answer.
Physical changes are
Which of the following are physical changes and which are chemical changes ?
Glowing of an electric bulb
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
Physical Change: Boiling::Chemical Change: ______.
