Question

A substance melts at -250c and boils at 850c,which of the following is correct?
(a)it would be in solid state at -150c
(b)it would be in gas state at -900c
(c)it would be in liquid state at -250c
(d)it can be in liquid or gas state at -850c​

Answer 1

Answer:

ALL OPTIONS ARE CORRECT IF IT IS - 850 C

Explanation: