(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) has released the detailed marks bifurcation for both Class 10 and Class 12 board exams scheduled for 2025. Each subject will continue to carry a total ...

THE author of this small work can be congratulated upon having written a really practical text-book which is much superior to most of those now used in Great Britain. Its chief feature is absolute ...