Advertisements
Advertisements
Question
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Advertisements
Solution
| Physical change | Chemical change |
| Changes are temporary and reversible. | Change is permanent and irreversible |
APPEARS IN
RELATED QUESTIONS
Classify the following changes as physical or chemical: curdling of milk
State the differences between a physical change and a chemical change.
State whether the following is physical or chemical changes.
water cycle in nature —
True or false
Is the process of digestion a physical change?
Classify the following as physical or chemical change :
Formation of curd from milk
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
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. |
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Select the chemical changes from the following list of changes
Respiration in mammals.
