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प्रश्न
A liquid can change into vapour state at a fixed temperature.
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उत्तर
is Boiling point
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संबंधित प्रश्न
Rapid conversion of water into steam is an example of
Differentiate between melting point and boiling point, giving atleast one example of each.
Explain the terms boiling point.
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.
The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ____________.
Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam gushing out of the spout of the kettle. She wondered whether the temperature of the steam was higher than that of the water boiling in the kettle. Comment.
Why does the temperature of a substance remain constant during its melting point or boiling point?
We would have observed that the plate that covers the cooked food items has water droplets inside. Why? Explain.
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.
