Question

E
XERCISE
d.
C.
energy is absorbed
C.
A. Multiple Choice Questions (MCQs)
1. Which of the following is not a characteristic of physical change?
b. reversible
formation of new substance
change in physical properties
temporary
2. A physical change involves
no change in energy
b.
energy is released
d
none of these
3. Which of the following is not a chemical change?
photosynthesis
b. digestion
d.
rusting of iron
4. Which of the following is a characteristic of chemical change?
permanent
b. reversible
no energy change
d. composition does not change
a.
tearing a paper
C.​

Answer 1

Answer:

2 answer d 3 none of these 4 c and 1b