Advertisements
Advertisements
प्रश्न
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective change.
Advertisements
उत्तर
| Physical change | Chemical change |
| Generally, energy is neither absorbed nor released during the change. | Generally, energy is either absorbed or evolved during change. |
| Example: Melting of ice, melting of the wax. | Example: Change of milk into curd and burning of a candle. |
APPEARS IN
संबंधित प्रश्न
What role does energy play in initiating a chemical change ?
State three differences between evaporation and boiling
What are man-made changes ?
Make a list of different types of changes with example.
Classify the following as a physical or a chemical change.
Burning of paper
Classify the following as a physical or a chemical change.
Burning of coal
Distinguish between the following.
Physical change and chemical change
Select the chemical changes from the following list of changes
Rotting of eggs.
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
