The substance X normally exists in a physical state which can flow eas

1.	The substance X normally exists in a physical state which can flow easily but doesnot fill its vessel completely. When substance X is cooled excessively, it changesinto a substance Y which has a fixed shape as well as a fixed volume. If, howeverthe substance X is strongly heated, it changes into a substance Z which has neithera 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 statesof matter.
Answer» ANSWER: x=liquid y=solid z=gas

The substance X normally exists in a physical state which can flow easily but doesnot fill its vessel completely. When substance X is cooled excessively, it changesinto a substance Y which has a fixed shape as well as a fixed volume. If, howeverthe substance X is strongly heated, it changes into a substance Z which has neithera 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 statesof matter.

Answer»

x=liquid

y=solid

z=gas