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Question

State four physical properties of hydrogen.


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Solution

Physical properties of hydrogen -

  1. Hydrogen is colourless, odourless and tasteless gas.
  2. It is insoluble in water.
  3. Vapour density of hydrogen is 1.
  4. It is difficult to liquefy it as it liquefies at 243°C at a pressure of 20 atm.
  5. It is combustible diatomic gas.

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