1.

For a general substance A the phase diagram is represented as shown. Identify the option (s) which is/are correct.

Answer»

Triple point of the SUBSTANCE is 200 K and 3.8 MM of Hg.
Standard boiling point of the substances should be slightly less than 400 K
Above 500 K, gas-liquid transition cannot occur WITHOUT CHANGE in temperature
Melting point of the substance will increase with increase in pressure.

Answer :A::B::C


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