Category: O-level chemistry videos

Genotype

06/05/2021 0

Genotype This is the genetical constitution of an organism i.e. the particular set alleles, leading to observable characteristics Please Subscribe to promote this website. Subscription ... Read More

O-level chemistry videos

Preparation of hydrogen

07/11/2020 1

procedure of preparation of hydrogen and worked examples Read More

O-level chemistry videos

Preparation of oxygen with worked examples

07/08/2020 2

principles of preparation of gases i.e. preparatory state, purification stage, drying stage, and collection stage. Preparation oxygen, sample questions and answers Read More

O-level chemistry videos