Advertisements
Advertisements
प्रश्न
Circle the odd one.
विकल्प
Boiling
Burning
Cooking
Rusting of iron
Advertisements
उत्तर
Boiling
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
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 happens when sugar is heated?
Drying of wet clothes in air is an example of
Dissolving sugar in water is a ______ change.
Differences between
reversible and irreversible changes are:
While lighting a candle, Paheli observed the following changes.
- Wax was melting
- Candle was burning
- Size of the candle was reducing
- Melted wax was getting solidified.
Of the above, the changes that can be reversed are
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
Give one example of change which occurs on heating but cannot be reversed.
Circle the odd one out. Give reason for your choice.
