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प्रश्न
State whether the following is physical or chemical changes.
photosynthesis —
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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.
lightning —
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A substance which can not sublime is
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Classify the following as physical or chemical changes :
- Cooking of food
- Boiling of water
- Cutting of trees
- D0issolving salt in water
- Digestion of food
- Melting of ice
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
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A change in which a substance retains its identity is a
______ change.
Which of the following is a physical change?
