1.

What are the physical properties of hydrogen chloride gas?

Answer»
  • Hydrogen chloride is a colourless gas with a pungent odour. 
  • It is heavier than air. 
  • Hydrogen chloride on liquefication forms a colourless liquid having boiling point 189 K and on freezing it forms white solid crystals having melting point 159 K. 
  • Hydrogen chloride is highly soluble in water. 


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