Universal indicator is useful for giving an estimated value for the pH of a substance

Background  This topic is mostly about equilibria so it is important for students to understand that concept first. Before tackling this topic make sure you : understand dynamic equilibriacan write and manipulate equilibrium expressions for a range of reactions.can estimate the pH value of a solution using universal indicator know th...

Cells are the building blocks of life

Cells are the building blocks of every organism on Earth. In this video we find out about the huge range and different types of plant and animal  cells and various specialised cells. . Cells can be either Prokaryotic or Eukaryotic. Eukaryotes are organisms which contain eukaryotic cells. Organisms containing prokaryotic cells are called prokar...