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प्रश्न
Classify the following as physical or chemical change :
Formation of curd from milk
विकल्प
Physical change
Chemical change
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उत्तर
Formation of curd from milk – Chemical change
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संबंधित प्रश्न
Write short answer.
Name two reversible changes.
Classify the following changes as physical or chemical: curdling of milk
State the various conditions that favour the process of evaporation.
Which of the following are physical changes and which are chemical changes ?
Glowing of an electric bulb
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Select the chemical changes from the following list of changes
The occurrence of lightning.
Select the chemical changes from the following list of changes
Change of seasons
Match the examples of changes in List I with the correct type of change in List II.
| List I | List II |
| 1. Burning of paper | A: Physical change |
| 2. The ringing of an electric bell | B: Chemical change |
| 3. Curdling of milk | |
| 4. Electric light is switched on | |
| 5. Melting of butter |
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
