8th Class Science Sample Paper Science Sample Paper-5

  • question_answer
    Write three important uses of non-metals.                                                                                                  

    Answer:

    Important uses of non-metals:
    (i) Non-metals are essential for our life as all living beings inhale oxygen and breathe out carbon dioxide during breathing.
    (ii) They are used in fertilizers to enhance the growth of plants.
    (iii) Non-metal is used in the purple coloured solution that is applied on wounds as an antiseptic.
    (iv) Non-metals are used in crackers.


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