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प्रश्न
State whether the following is physical or chemical changes.
cutting wood into small pieces —
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उत्तर
physical change,
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संबंधित प्रश्न
Changes in which only ______ properties of a substance change are called physical changes.
Tick the most appropriate answer.
5. Photosynthesis requires
- heat energy.
- wind energy
- sunlight.
- sound energy
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
State whether the following is physical or chemical changes.
Slaking of lime —
Classify the following as a physical or a chemical change.
Boiling of water
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.
Which of the following is a physical change?
Cutting a log of wood into pieces is a chemical change.
Give an example of a physical change in which the color of the substance changes.
