Which of the following non-metal is used as disinfectant in pool water?
A
Charcoal
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B
Oxygen
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C
Hydrogen
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D
Chlorine
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Solution
The correct option is D Chlorine Non-metals are used for different purposes in our daily life. ∙ Charcoal is majorly used as a fuel that is burnt to produce heat energy. ∙ The air that we breathe and without which life will not sustain contains oxygen. ∙ Hydrogen is used to fill the gas balloons. ∙ Chlorine is commonly used as a disinfectant to clean pool water.