The liquid range for common substances

This task is about temperature and changes of state: at what temperatures a substance is liquid.

Temperature range that substances are in a liquid state 

graph showing the temperature range that substances are in a liquid state  

Each bar shows the range of temperatures in which the substance is a liquid. Use this table to answer these questions.

Question

 a)  Which substance has the highest melting point?

    • water

    • salt

    • iron

    • aluminium

Question

 b)  Which substance boils at 1400°C?

    • water

    • salt

    • iron

    • aluminium

Question

 c)  Which substance is a liquid over the greatest temperature range?

    • water

    • salt

    • iron

    • aluminium

Question

 d)  Which substance(s) would be liquid at 1600°C?

    • water

    • salt

    • iron

    • aluminium

Question

 e)  In which state is salt, at 1800°C?

    • solid

    • gas

    • liquid