Study the following graph and mark the incorrect statement followi | Filo
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Class 11

Chemistry

Gases & Solutions

States of Matter

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Study the following graph and mark the incorrect statement following it.

  1. At zero volume all lines meet at . This temperature is known as absolute zero
  2. Each line of the volume vs temperature at constant pressure of graph is called isotherm
  3. All gases obey Charles' law at very low pressure and high temperature
  4. Pressure remaining constant, volume of a gas is directly proportional to its absolute temperature
Correct Answer: Option(b)
Solution: Isotherm -
A graph connecting two points having same temperature at a given time as an average over a given period.
In the given graph, Temperature is varying along the axis. Hence, it is not an isotherm.
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