Question

Classify the following changes into more than one category.
Change
Slow/Fast, Reversible/Irreversible/
Physical/Chemical
1.
Burning of an incense-stick
2.
Freezing of water
chemicals stock
Physical ice
Formation of biogas from cowdung Bereversible biogas.
Vellezsible ballon
3.
4.
Bursting of a balloon
5.
Heating of sugar in a pan
6.
Lighting of electric bulb​

Answer 1

Explanation:

1.Fast change , Irreversible change and Chemical change

2. Slow change , Reversible change and physical change

4. Fast change , Irreversible change and Physical change

6. Fast change, Reversible change