Question

D. Choose the correct option in each of the following
1. Which of the following is not a reversible change?
ſal The vaporisation of water
b) The meting of Iron
(c) The freezing of venter
(d) The burning of kerosene
2. Which of the following is not an irreversible change?
(a) The ripening of a mango
(b) The curdling of milk
(c) The condensation of water vapour
d) The staking of lime
3. In which of the following changes are new substances formed?
(a) Melung
(b) Sublimation
(c) Dissolving
(d) Burning
4. Which of the following involves a fast chemical change?
(a) The burning of a matchstick
(b) The rusting of iron
(c) The ripening of a mango
(d) The growth of a plant​

Answer 1

Answer:

1. The burning of kerosene

2. The ripening of a mango

3. Sublimation

4. The ripening of a mango

Explanation:

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