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प्रश्न
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
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उत्तर
- Sublimation – A: Physical Change
- Fermentation – B: Chemical change
- Liquefaction or condensation – A: Physical Change
- Magnetization – A: Physical Change
- Respiration – B: Chemical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Classify the following changes as physical or chemical:- melting of a solid (wax)
Classify the following changes as physical or chemical:- photosynthesis in plants
State whether the following is physical or chemical changes.
glowing of a bulb -
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Select the chemical changes from the following list of changes
Drying of a fruit
Water is the universal solvent. Why?
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
What kind of change is shown by tearing of paper?
