Question

what is the a physical state if the substance at the point A, B, C, D​

Answer 1

Answer:

A and B are solid

C and D are liquid

Explanation:

cause A1 to B1 is the latent heat of fusion

and D1 to D2 is latent heat of vapourization

if a was liq then c is gas and d1 to d2 don't occur

hope it helps

Answer 2

Answer:

tate if the substance at the point A, B, C, D​

Explanation: