Question : ______ gas is used for the manufacturing of bleaching powder.
Option 1: Nitrogen
Option 2: Sulphur
Option 3: Oxygen
Option 4: Chlorine
Correct Answer: Chlorine
Solution : The correct option is Chlorine .
Bleaching powder (calcium hypochlorite) Ca(ClO) 2 is made using chlorine gas (Cl 2 ). A crucial component of bleaching powder used extensively in many industries as a bleaching agent, water treatment method, and disinfectant is chlorine gas.
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