BREAK NEWS

A-level physics
Moment of a force
A-level physics
State Archimedes’ principle.
A-level physics
Explain why velocity of a liquid at a wide part of a tube is less than that at a narrow part.
A-level physics
Explain the effect of temperature on viscosity of a liquid.
General
Derive an expression for the angle of banking θ for a car of mass, m, moving at speed, v, round a banked tract of radius, r. (04marks)

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 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

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 0

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