Question

Which of the following sublimes easily under low pressure?
     I- Dry ice (solid carbon dioxide).
     II- Magnesium chloride.
    III- Aluminum chloride.
    IV- Naphthalene (C10H8)
  (a) I and II
  (b) I , II and IV
  (C) I , III and IV
  (d) I , II and III
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Answer 1

Correct Option is (C) I, III, lV.

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