Page 1 - 3. LESSON NOTES-(CH-2 BLEACHING POWDER)
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SAI International School
                                                       Class-X

                                               Subject_ Chemistry
                                          Topic- Acids, Bases & Salts
                            Sub Topic- Study of Salts – 2. Bleaching Powder

                                                  LESSON NOTES

                   •  STUDY OF SALTS-

                              2.  BLEACHING POWDER  (Common Name)
                                                 OR
                               Chemical Name - Calcium Oxy Chloride

                               Chemical Formula – CaOCl2
                               Preparation of Bleaching powder-

               o  Chlorine produced on passing electricity through brine solution undergoes
                  reaction with dry slaked lime [Ca (OH)2] to produce Bleaching powder.

               o  The reaction is as follows:


































               Preparation of Bleaching Powder                                       Structure of CaOCl
                                                                                                 2

                                Properties of Bleaching powder-

                   1.  White Powder
                   2.  Has a strong smell of Chlorine
                   3.  Soluble in cold water


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