Answer
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Hint: Water is found to exist in the triple point it means water can exist in all the three states of liquid, solid and gas. The latent heat of fusion of water at the freezing is about 334 Joules. Latent heat is the required energy for the conversion from liquid to a gaseous state. The boiling point of water is $\text{100}{}^\circ \text{C}$ and the melting point of water is $0{}^\circ \text{C}$.
Complete answer:
As we all know that water is found in all the three states of matter i.e. liquid, solid and gas.
> When the temperature of the water reaches up to $0{}^\circ \text{C}$, then the water starts to convert from the solid state to the liquid state.
> Similarly, when the temperature of the water reaches up to $\text{100}{}^\circ \text{C}$, then the water starts to convert from the liquid to the gaseous state.
> It is not completely converted in the gaseous form that is the steam, so we can say that the water is found in both liquid as well as the gaseous state.
> Now, when the temperature of the water reaches up to $\text{250}{}^\circ \text{C}$. We can see that the temperature of the water is above $\text{100}{}^\circ \text{C}$ so it is confirmed that the water is completely converted into the gaseous state.
> In the gaseous state, water is known as steam.
> Moreover, when we increase the pressure on the water then the temperature of the water increases simultaneously.
> Therefore, we can say that the physical state of the water at $\text{100}{}^\circ \text{C}$ is both liquids as well as gaseous state and at $\text{250}{}^\circ \text{C}$ the physical state of the water is gas.
Note: Water is a polar substance with maximum density at $\text{4}{}^\circ \text{C}$. Water is also considered as the universal solvent because it tends to dissolve most of the liquids and acts as a solvent.
Complete answer:
As we all know that water is found in all the three states of matter i.e. liquid, solid and gas.
> When the temperature of the water reaches up to $0{}^\circ \text{C}$, then the water starts to convert from the solid state to the liquid state.
> Similarly, when the temperature of the water reaches up to $\text{100}{}^\circ \text{C}$, then the water starts to convert from the liquid to the gaseous state.
> It is not completely converted in the gaseous form that is the steam, so we can say that the water is found in both liquid as well as the gaseous state.
> Now, when the temperature of the water reaches up to $\text{250}{}^\circ \text{C}$. We can see that the temperature of the water is above $\text{100}{}^\circ \text{C}$ so it is confirmed that the water is completely converted into the gaseous state.
> In the gaseous state, water is known as steam.
> Moreover, when we increase the pressure on the water then the temperature of the water increases simultaneously.
> Therefore, we can say that the physical state of the water at $\text{100}{}^\circ \text{C}$ is both liquids as well as gaseous state and at $\text{250}{}^\circ \text{C}$ the physical state of the water is gas.
Note: Water is a polar substance with maximum density at $\text{4}{}^\circ \text{C}$. Water is also considered as the universal solvent because it tends to dissolve most of the liquids and acts as a solvent.
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