Advertisements
Advertisements
Question
Match the following.
| Bud to flower | Dr. A.P.J. Abdul Kalam |
| Reversible change | Recyclable waste |
| India 2020 | Organic waste |
| Paper | Melting of ice |
| Vegetables | Irreversible change |
Solution
| Bud to flower | Irreversible change |
| Reversible change | Melting of ice |
| India 2020 | Dr. A.P.J. Abdul Kalam |
| Paper | Recyclable waste |
| Vegetables | Organic waste |
APPEARS IN
RELATED QUESTIONS
A stretched rubber band comes back to normal shape. It is an example for ________.
Circle the odd one.
Which is reversible change?
Changes which cannot be reversed are called ______.
Paheli had bought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this?
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
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Give one example of change which occurs on cooling but can be reversed.
Give one example of change occurs on mixing two substances, but can be reversed.
Choose the odd one out. Give reason for your choice.
