Question

TEST YOUR LEARNING
e Choice Questions (MCQs)
k (/) the correct options.
Which of the following is a physical but irreversible change?
a. Burning of a matchstick
b. Melting of an ice cre
c. Lighting of an electric bulb
d. Crushing of a glass
Physical changes are
a. always reversible
b. mostly reversible
c. always irreversible
d. mostly irreversible
Physical changes do not include
. formation of new substance
b. change in shape
. change in state
d. change in colour
uring a chemical change​

Answer 1

d,c,a are the answers

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Answer 2

Answer:

1) d

2) b

3) a

Explanation

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