Question

The substance X normally exists in a physical state which can flow easily but does
not fill its vessel completely. When substance X is cooled excessively, it changes
into a substance Y which has a fixed shape as well as a fixed volume. If, however
the substance X is strongly heated, it changes into a substance Z which has neither
a fixed shape nor a fixed volume.
a) Name the substances X, Y and Z.
b) Give a flow chart representation showing the interconversion of the three states
of matter.​

Answer 1

Answer:

x=liquid

y=solid

z=gas