Advertisements
Advertisements
प्रश्न
State the boiling point of water.
Advertisements
उत्तर
BOILING POINT OF WATER: “Is that constant temperature at which water starts (BOILING) changing from water to steam (vapours)”.
It is 100°C for water.
APPEARS IN
संबंधित प्रश्न
Rapid conversion of water into steam is an example of
Boiling takes place from the
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
It is difficult to cook vegetables on hills and mountains. Explain the reason.
Assertion: The process of conversion of liquid water to its vapours by heating the liquid is called boiling.
Reason: The process of conversion of water vapours to liquid by cooling the vapours is called condensation.
Evaporation of a liquid at room temperature leads to a ____________ effect.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
Why does the temperature of a substance remain constant during its melting point or boiling point?
Assertion (A): No-new substance is formed when water is heated to get steam.
Reason (R): Conversion of water into steam is a physical change.
