Advertisements
Advertisements
प्रश्न
A stretched rubber band comes back to normal shape. It is an example for ________.
Advertisements
उत्तर
A stretched rubber band comes back to normal shape. It is an example for Reversible changes.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
Very Short Answer Type Question:
Some common changes are given in the below Table. Which of these changes do you think can be reversed?
| Change | Can be reversed |
| (i) Raw egg to boiled egg | Yes/No |
| (ii) Batter to idli | |
| (iii) Wet clothes to dirty clothes | |
| (iv) Woollen yarn to knitted sweater | |
| (v) Grain to its flour | |
| (vi) Cold milk to hot milk | |
| (vii) straight string to a cold string | |
| (viii) Bud to flower | |
| (ix) Milk to paneer | |
| (x) Cow dung to biogas | |
| (xi) stretched rubber band to its normal size | |
| (xii) Melting of ice-cream |
Short Answer Type Question:
What is a physical change? Explain with example.
Circle the odd one.
What is reversible change?
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
Salt can be separated from its solution (salt dissolved in water), because ______.
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
Can we reverse the following change? If yes, suggest the name of the method.
Water vapour into water
Circle the odd one out. Give a reason for your choice.
