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प्रश्न
It is difficult to cook vegetables on hills and mountains. Explain the reason.
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उत्तर
This is because at high altitudes atmospheric pressure is low; therefore, boiling point of water decreases and so it does not provide the required heat energy for cooking.
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संबंधित प्रश्न
Rapid conversion of water into steam is an example of
Boiling takes place from the
Explain the terms boiling point.
How is the boiling point of water affected when some salt is added to it?
A pressure cooker is based on the principle that boiling point of water increases with the ______.
What is the physical state of water at 100°C.
By the process of Heating of water, ______ is obtained.
Evaporation of a liquid at room temperature leads to a ____________ effect.
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.
