Question Bank [2022] — Chemistry STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryQuestion Bank [2022]2 Marks
Question
Write any two uses of Chlorine.
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Answer
Uses of chlorine:
Large quantities of chlorine are used industrially for bleaching wood pulp (required for the manufacture of paper and rayon), bleaching cotton and textiles.
It is used in the extraction of gold and platinum.
It is used for the manufacture of dyes, drugs and organic compounds such as $CCl _4, CHCl _3$, refrigerants, etc.
It is used in sterilising drinking water.
It is used in preparation of poisonous gases such as phosgene $\left( COCl _2\right)$, tear gas $\left( CCl _3 NO _2\right)$, mustard gas (Cl. $\left.C _2 H _4- S - C _2 H _4 Cl \right)$.
It is used in the manufacture of DDT and BHC which are important insecticide.
It is used in the manufacture of vinyl chloride which is starting material for polyvinyl chloride plastics.
It is used in the manufacture of bleaching powder, aluminium chloride, hydrogen chloride, hypochlorites, chlorates, perchlorates, etc., which are important industrial compounds.
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