5th Class Science Natural resources Question Bank Natural Resources

  • question_answer
    Beena performed an experiment in which she took four beakers containing different amounts of water at different temperatures. She added equal amount of salt into each beaker.
     
    Identify the beaker in which salt takes the shortest time to dissolve.
       

    A) Beaker 1          

    B) Beaker 2          

    C) Beaker 3       

    D) Beaker 4

    Correct Answer: D

    Solution :

    Rate of dissolution of solute increases with increase in temperature and quantity of solvent. Beaker 4 has both, more amount of water and higher temperature which help in fast dissolution of salt in water.


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