Mr. Ramakanth ,a science teacher organised a quiz in the class . He stated few applications of non-metals and asked the students to guess the names of the non -metals . Mark the correct option .(1 mark) *
Non metals used in fertilisers - K ,Cl
Non metal used in water purification process - Br
Non metal used in crackers -F
Non metals used as an antiseptic -
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non metal used in fertilizer is pottasium
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