Question

al
7. The burning of a candle is a change which
can be categorised as
a) reversible
b) irreversible
c) physical
d) both physical and chemical
8. Cutting your hair is a/an — change.
(i) reversible
(ii) irreversible
(iii) chemical
(iv) physical
a) (i) and (iii)
b) (ii) and (iv)
c) (ii) and (iii)
d) (iii) and (iv)
Which of these changes are physical and
irreversible?
(i) folding of clothes
(ii) melting of butter
(iii) breaking of glass
(iv) chopping of wood
a) (i) and (iii)
b) (ii) and (iv)
c) (ii) and (iii)
d) (iii) and (iv)
10. Which of these changes are physical and
reversible?
(i) burning of coal (ii) freezing of water
(iii) rusting of iron (iv) melting of wax
a) (i) and (iii)

b) (ii) and (iv)
c) (ii) and (iii)
d) (iii) and (iv)​

Answer 1

Answer:

The answer is chemical change.

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Answer 2

hello kya aap meri behan banogi ans me and please report my answer