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4 Written questions

4 Multiple choice questions

  1. The rate of effusion of a gas is inversely proportional to the square root of its molar mass
  2. The force between two electric charges is inversely proportional
    to the square of the distance between them and directly proportional to the product of their charges
  3. The extension of a spring is proportional to the load placed on it.
    Or, stress is directly proportional to strain.
  4. The total pressure of a gas mixture is equal to the sum of the partial pressures of the components

4 True/False questions

  1. BoyleThe extension of a spring is proportional to the load placed on it.
    Or, stress is directly proportional to strain.

          

  2. HubbleGalaxies recede from each other with a velocity proportional to their distance.

          

  3. HessThe amount of energy generated from a chemical reaction is the same whether the reaction happens in one step or several steps.

          

  4. SnellThe volume of a gas is inversely proportional to its pressure if temperature is held constant