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प्रश्न
What is the physical state of water at 25°C.
उत्तर
The physical states of water at 25°C- water
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संबंधित प्रश्न
What is the physical state of water at 100°C.
Why is ice at 273 K more effective in cooling than water at the same temperature?
Name the temperature at which :
- a liquid changes into a gas.
- a solid changes into a liquid.
Explain why, there is no rise in temperature of a substance when it undergoes a change of state though heat is supplied continuously.
The latent heat of vaporisation of water is :
Which of the following energy is absorbed during the change of state of a substance ?
Give reasons:
How is interconversion of states of matter different from chemical reaction?
State the property of the following substance.
Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.
Riya pours some water from her bottle into another bottle. Does it change the shape of the water?
Give the reason for the following
On heating a sublimable solid, the molecules break free & escape from the surface of the solid directly into vapour.
