(a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol - starch, egg albumin and gum Lyophobic sol - aluminium hydroxide, ferric hydroxide, arsenous sulphide. (b) Dialysis of ...
According to the board’s official notification, practical examinations will be conducted at the examination centres or schools designated for the theory exams The Central Board of Secondary Education ...
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