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प्रश्न
A pressure cooker is based on the principle that boiling point of water increases with the ______.
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उत्तर
A pressure cooker is based on the principle that boiling point of water increases with the increase in pressure.
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संबंधित प्रश्न
Differentiate between melting point and boiling point, giving atleast one example of each.
Explain the term vaporization.
A liquid can change into vapour state at a fixed temperature.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
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.
What is the physical state of water at 100°C.
By the process of Heating of water, ______ is obtained.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
Why does the temperature of a substance remain constant during its melting point or boiling point?
Assertion (A): Burning of a candle is considered a physical as well as chemical change.
Reason (R): Melting of wax is a physical change melted wax turns into vapours and then bums which is a chemical change.
