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Olympiad workbookNSECStates of Matter

A substance X was heated at constant pressure and the temperature observed at various times of heating was plotted as given below Which of the following is/are correct? I. Melting point of X is -5^ C II. Solid and liquid forms of X coexist in the region b III. Boiling point of X is 55^ C IV. Solid and liquid forms of X coexist in the region d

Options

  1. AI and IV
  2. BII and III
  3. CIII only
  4. DI , II and III

Correct answer

B. II and III

Step-by-step solution

No Solution

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