Sublimation is the process by which a solid becomes a gas without having a liquid phase. Which of these substances can sublime?
i. Iodine
ii. Naphthalene
iii. Carbon dioxide (Dry ice)

i only

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ii only

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iii only

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i and iii only

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i, ii and iii

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Solution

The correct option is E i, ii and iii
Sublimation is the process by which a solid becomes a gas without having a liquid phase. All of the following substances can sublime.
i. Iodine
ii. Naphthalene
iii. Carbon dioxide

Option E is correct.

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Question 12

Which of the following is (are) an endothermic process(es)?

(i) Dilution of sulphuric acid.
(ii) Sublimation of dry ice.
(iii) Condensation of water vapours.
(iv) Evaporation of water.

(a) (i) and (iii)
(b) (ii) only
(c) (iii) only
(d) (ii) and (iv)

Q. Which of the following processes involve absorption of energy?

(i)	Boiling
(ii)	Sublimation
(iii)	Condensation

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Sublimation is the process by which a solid becomes a gas without having a liquid phase. Which of these substances can sublime?i. Iodineii. Naphthaleneiii. Carbon dioxide (Dry ice)

The correct option is E i, ii and iiiSublimation is the process by which a solid becomes a gas without having a liquid phase. All of the following substances can sublime.i. Iodineii. Naphthaleneiii. Carbon dioxideOption E is correct.

Sublimation is the process by which a solid becomes a gas without having a liquid phase. Which of these substances can sublime?
i. Iodine
ii. Naphthalene
iii. Carbon dioxide (Dry ice)

The correct option is E i, ii and iii
Sublimation is the process by which a solid becomes a gas without having a liquid phase. All of the following substances can sublime.
i. Iodine
ii. Naphthalene
iii. Carbon dioxide

Option E is correct.