Question

5.
d) cooking a vegetable
A. Choose the correct option.
1. Which of the following is a reversible
change?
a) milk turning sour b) burning of wax
sy melting of wax
2. Which of the following is a physical change?
a) burning of paper b) fusting
c) burning of wax d) freezing
3. Which of the following is a physical
irreversible change?
a) burning of a matchstick
b) melting of an ice cream
c) breaking of a flower vase
d) lighting up of an electric bulb
C​

Answer 1

Answer:

1) melting of wax

2) freezing

3) breaking a flower vase