Class 9 Homework-

Uses of Nonmetals

1. Some non – metals essential for our life which all living beings inhale during breathing
2.Some non – metals Used in fertilizers to enhance the growth of plants
3. Some non – metals used in water purification process
4. Some non – metals used as an antiseptic
Which are CORRECT?
(a) 1 & 2 Only
(b) 2 & 3 Only
(c) 3 & 4 only
(d) 1, 2, 3 & 4




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