Question
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
✓
Answer
- When water is frozen into ice, it is a physical change. It is reversible since ice can be converted to water again.
- When a piece of wood is cut into very small pieces, it is a physical change. It is reversible since small pieces of wood cannot be converted back to the bigger piece of wood.
- It shows that physical changes can be reversible as well as irreversible.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Draw the diagram of a clinical thermometer and label its parts.
What is meant by synthesis of colour?
Why does an iron needle sink in water, but not an iron ship?
What is cross pollination?
what is atomic mass number? mention its formula.
In a situation, how to explain, while your friend ask what is this, never seen before?
Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Define Isobars. Give example.
What is the difference between cut and copy?
What is compostable plastic?