Question

A substance melts at -250C and boils at 850C .which of the following are correct : a) it would be in solid state at -150C. b) it would be in gaseous state at -900C. c) it would be in liquid state at-250C. d) it can be in liquid or in gaseous state at -850C.

Answer 1

All the options are correct if substance boils at -850c and melts at -250c