Question

I have two questions.
Identify the melting point of the solid and the boiling point of its liquefied form.
What will happen if the substance is heated beyond point F?

Answer 1

melting point of the solid is B, the line BC indicates a change in state, basically change from a solid state to liquid state. boiling point of the liquid is at temperature D, Line DE indicates a change of state from liquid to vapour with no change in temperature but change in state. heating beyond point F will not be any fruitful, it will remain in gasseous form just get heated even further.

Answer 2

the melting point of the solid is B
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the boiling point of its liquefied form is D
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if the substance is heated beyond point F it will completely evaporate......
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