Advertisements
Advertisements
Question
State four differences between physical and chemical changes.
Advertisements
Solution
| Physical change | Chemical change |
|
|
APPEARS IN
RELATED QUESTIONS
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
glowing of a bulb -
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
True or false
Is the process of digestion a physical change?
Classify the following changes as physical or chemical.
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Iron pipes coated with zinc do not get rusted easily.
