BREAK NEWS

A -level mahematic
A-level math paper 2 Trapezium rule
A -level mahematic
A-level math paper 2 Linear interpolation and extrapolation
A -level mahematic
A-level math paper 2 Normal distribution, Binomial approximation to normal distribution, estimation of population parameters
A -level mahematic
A-level math paper 2 Continuous probability distribution
A -level mahematic
A-level math paper 2 Binomial distribution

Category: O-level chemistry videos

Genotype

06/05/2021 2

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 3

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

Preparation of gases

06/24/2020 2

Stages of gas preparation, preparation of oxygen, testing for oxygen Read More

O-level chemistry videos

Rates of reaction lesson 1 of 2 by Dr. Betty Science

06/05/2020 1

how to determine the rate of reaction Plus worked examples Read More