Advertisements
Advertisements
प्रश्न
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
Advertisements
उत्तर
The following changes are irreversible:
d. Baking cake in an oven.
f. Making biogas from cow dung.
g. Burning of a candle.
APPEARS IN
संबंधित प्रश्न
Long Answer Type Question:
How does curd being set? Is this change reversible?
Circle the odd one.
Circle the odd one.
Differences between
reversible and irreversible changes are:
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Give one example of change which occurs on heating but cannot be reversed.
Give one example of change which occurs on mixing two substances, but cannot be reversed.
Find the odd one out. Give reason for your choice.
Choose the odd one out. Give reason for your choice.
