Question

i) What is the physical state of the substance at the points A and

C?

ii) What is the melting point and boiling point of the substance?

iii) Which portions of the graph indicate the change of state?

iv) What is the term used to describe the phase change from gas

to liquid?

a) Freezing b) Evaporation c) Condensation d) None of

these

v) The substance is not water. How can you judge from the

graph?



please urgent​

Answer 1

I don't know the answer

sorry