What is Triple Point of Water | question and answer !

Triple point of a pure substance is a very stable state signified by precisely constant temperature and pressure values, For this reason, in Kelvin's scale of thermometry triple point of water is taken as the upper fixed point.

What is Triple Point of Water | question and answer !

On increasing pressure, the melting point of a solid decreases and boiling point of the liquid increases. It is possible that by adjusting temperature and pressure, we can obtain all the three states of matter to co-exist simultaneously.these values of temperature and pressure signify the triple point.