CBSE  /  Class 9  /  Science  /  Matter in Our Surroundings

  • 1. 
    Which of the following has the strongest interparticle forces at room temperature?

  • Oxygen
  • Water
  • Bromine
  • Iron

  • 2. 
    Which of the following conditions is most favourable for converting a gas into a liquid?

  • High pressure, low temperature
  • Low pressure, low temperature
  • Low pressure, high temperature
  • High pressure, high temperature

  • 3. 
    Dry ice is

  • water in solid state
  • water in gaseous state
  • CO
  • CO
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