Subject :NSO Class : Class 7
Rupali classified a few changes occurring
around us as shown in the table.
| S. No. |
Change | Chemical | Physical | Reversible |
|---|---|---|---|---|
| 1. | Grinding of wheat |
✓ | ✗ | ✗ |
| 2. | Bursting of crackers |
✓ | ✗ | ✗ |
| 3. | Formation of clouds |
✗ | ✓ | ✓ |
| 4. | Germination of seeds |
✓ | ✗ | ✓ |
| 5. | Drying of wet clothes |
✗ | ✓ | ✗ |
Which of her observations are incorrect?
A1 and 2 only
B2 and 3 only
C1, 4 and 5 only
D1, 2, 3, 4 and 5