(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 ...

Jharkhand Board Class 12 Chemistry Question Paper 2026: The Jharkhand Academic Council (JAC) successfully conducted the Class 12 Chemistry board examination on 13 February 2026 from 2:00 PM to 5:15 PM ...

CBSE Class 12 Organic Chemistry is often seen as memory-heavy, but it is built on clear patterns. From functional groups and reaction mechanisms to redox behaviour and named reactions, recognising ...