Question

E. FILL IN THE BLANKS-
2. In an irreversible change,
are formed.
1. An example of physical change is blowing a balloon
3. Burning of a cracker is a / ar chemical
Meltale on heating. Metals
5. Glowing of a tubelight is a /an_reversible change
change
4. Most metals​

Answer 1

Answer:

1= helium balloons

2=chemical changes

3=hydrogen

5=irreversible

4=reactive