Question

What is physical state of water at :
(a) 250°C ? ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎(b) 100°C ?​

Answer 1

Answer:

(1) Vapour

(2) Liquid or gas

Answer 2

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‏‏‎ ‎

(a)

The boiling point of water is 100°C.So, the physical state of water at a temperature of 250°C (Which is much above it's boiling point) will be 'gaseous state'.

(B)

The physical state of water at its boiling point temperature of 100°C will be both 'liquid state' as well as 'gaseous state'. This is because at its boiling point (of 100°C), the liquid state of water starts changing into its gaseous state (Steam).