(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 ...
The Central Board of Secondary Education (CBSE) Class 10 and 12 practical exams is scheduled to be held from January 1 to February 14, 2026. CBSE has released guidelines for all schools for timely ...
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