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  5. States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव

11th Class Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव

  • question_answer 1)
      Why does the boundary between liquid phase and gaseous phase disappear on heating a liquid upto critical temperature in a closed vessel? In this situation what will be the state of the substance?

    Answer:

      At critical state, surface tension of liquid becomes zero, hence the meniscus between liquid and vapour phase disappears.


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