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प्रश्न
Fill in the following blank with suitable words :
Gases can be liquefied by applying ....................... and lowering .....................
उत्तर
Gases can be liquefied by applying high pressure, and lowering temperature.
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संबंधित प्रश्न
Convert the following temperature to Celsius scale:
573 K
Does the substance absorb or liberate any heat energy during the change of phase?
The boiling point of water is 100° C. Express this in SI units (Kelvin scale).
What is the name of the process in which a solid turns directly into a gas ?
Which contains more heat, 1 kg of water at 100° C or 1 kg of steam at 100° C ? Give reason for your answer.
One of the following does not undergo sublimation. This one is :
Give reasons:
Why a solid does not flow, but a liquid flows?
What happens to a metal ball when it is heated? What does this show?
A kind of matter which can sublime is
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
