How to make bleach A+ A- Print Email MATERIALS NEEDED 1) sodium chloride 2) calcium choride 3)water and Alum PREPARATION PROCEDURE 1) Add 1/2 cup of chloride and 2kg of sodium chloride into 4 liters of water… 2) Mix together and add alum… 3) filter and blottled THAT IS ALL 10 Nov 2017
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