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Help me about to study of the gate exam.I tried to search in the books also but I not get it.Please help me by the help of your experience.
Chemical name&formula of bleaching powder? 1.calcium oxy chloride(caocl2) 2.calcium oxide chlorine(caocl2) 3.calcium oxy chloride(caocl) 4.calcium oxide chlorine(caocl) 5.calc ...