9th Class Science Sample Paper Sample Paper - 1 Term - 1

  • question_answer (i) A spoonful of salt is added to a beaker containing 250 mL of water with continuous stirring. State two observations that you will make. (ii) Account for your observations.    

    Answer:

    (i) (a) Salt completely disappears in water.              (1)          (b) Volume of water does not increase.                                                            (1)       (ii) Since, there is a lot of space between water molecules, the salt molecules disappear into these spaces.          (1)        


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