Question

Can materials exist in all the three states?

Answer 1

Yes,materials can exist in all the three states under different conditions of temperature and pressure. For ex- Water exits in three states (solid, liquid and gas) on earth naturally. It exists as liquid in water bodies such as rivers, oceans ,it exits as solid in the form of ice in polar regions and glaciers and exists as gas in the form of vapours and clouds.Below 0°celsius water exits as ice and above 100° celsius it exits as vapour and in between it exits as liquid. [3 marks]