chapter 4 The World of Metals and Non-metals - Part 4

Which non-metal is used for disinfection of drinking water in controlled amounts?

Type: MCQ • Marks: 1
Which non-metal is used for disinfection of drinking water in controlled amounts?
Options
A. Aluminium
B. Copper
C. Chlorine
D. Iron
Explanation
Chlorine is used carefully to kill harmful microorganisms in water.
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