Question

Q6.What is triple point of water? Why is it called triple point?

Answer 1

the temperature at which all 3 states.i. e. ice,water,and vapour exist,it is called as triple point of water...

it is known as triple point because,it consists of 3 phases of water..

Answer 2

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Triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium .