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प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
विकल्प
Physical change
Chemical change
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उत्तर
Chemical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Fill in the blank
Revolution of the earth around the sun is a ________ change.
True or false
Is melting of ice a reversible change?
Tick the most appropriate answer.
Physical changes are
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 physical or chemical change :
Formation of curd from milk
Classify the following as physical or chemical change :
Condensation of steam
Grinding of wheat grain changes its size. It is a ____________ change.
Adding sugar to milk is a physical change.
