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प्रश्न
Select the chemical changes from the following list of changes
Boiling of milk.
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उत्तर
Boiling milk is PHYSICAL change as no change in composition, temporary and reversible, no new substance with new properties is formed.
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संबंधित प्रश्न
Tick the most appropriate answer.
5. Photosynthesis requires
- heat energy.
- wind energy
- sunlight.
- sound energy
State whether the following is physical or chemical changes.
photosynthesis —
Name two reversible changes.
A physical change is temporary. Explain.
Which of the following are physical changes and which are chemical changes ?
Classify the following as a physical or a chemical change.
Butter getting rancid
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Name the following.
A form of energy required for a chemical change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
Cutting a log of wood into pieces is a chemical change.
