SS1 Geography – The Solar System: The Universe, The Planets, The Earth

THE SOLAR SYSTEM Solar system is the description of the position of the earth and other planets in  relation to the sun. The solar system comprises of the sun and

SS2 ComputerS – Memory Unit

SS1 Chemistry – Hydrolysis of Salt

HYDROLYSIS OF SALT Some salts undergo hydrolysis in water to give an acidic or alkaline medium (solution) e.g. Na2CO3, NaHCO3, AlCl3, Na2S, NH4Cl, CH3COONa, e.t.c. Na2CO3 + H2O