SS1 Chemistry – Carbon and Its Properties
CONTENT Occurrence and Allotropes Properties OCCURRENCE It occurs naturally as diamond and graphite. It occurs in an impure form as coal. It occurs in the combined state as
Category: Lessons
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
SS1 Chemistry – Acids, Bases, and Salts
CONTENT Definition. Properties. Preparation and uses. pH. Bases Salts Efflorescence, deliquescence and hygroscopic ACIDS Definition: An acid is a substance that in aqueous solution produces hydroxonium ion (H3O+) or
SS1 Chemistry – Gas Laws 2 – Gay Lussac, Avogadro, Dalton Law of Partial Pressure
CONTENTS: Gay- Lussac’s Law and Avogadro’s Law. Graham’s law of diffusion. Molar volume of gases- Avogadro number and the mole concept. Dalton’s law of partial pressure. PERIOD 1: GAY-
Gas Laws 1 – Boyle’s Law, Charles’ Law, Ideal Gas, General Gas Law
CONTENTS: Boyle’s law Charles’ law General gas law Ideal gas law PERIOD 1: BOYLE’S LAW The relationship between volume and pressure of a gas was first started by Robert
SS1 Chemistry – Kinetic Theory of Matter
CONTENTS: State of matter, Kinetic theory of gases, Applications of the kinetic theory of gases Phenomena to illustrate kinetic theory of matter STATE OF MATTER Matter is made up
SS1 Chemistry – Chemical Combinations
CONTENTS (a) Types of chemical bonds (b) IUPAC system of naming inorganic compounds. PERIOD 1: PERIODIC TABLE (FIRST 20 ELEMENTS) Chemical combination: The atoms of noble gases e.g.,
SS1 Chemistry – Laws of Chemical Combination
CONTENT: Law of conservation of matters Law of constant composition Law of multiple proportions. PERIOD 1: CHEMICAL LAWS OF COMBINATIONS Four laws of chemical combination describe the general features
SS1 Chemistry – Empirical and Molecular Formulae
EMPIRICAL AND MOLECULAR FORMULAE The empirical formula is the simplest formula that gives the ratio of the number of different atoms present in a compound. It does not give the