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

  • question_answer 19) (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)        


adversite



LIMITED OFFER HURRY UP! OFFER AVAILABLE ON ALL MATERIAL TILL TODAY ONLY!

You need to login to perform this action.
You will be redirected in 3 sec spinner

Free
Videos