CHEMISTRY GRADE 10 UNIT 6 LESSON 4 EXERCISE - 6.2

Chemical Equations Types of Chemical Reactions Oxidation and Reduction Reactions Molecular and Formula Masses, the Mole Concept and Chemical Formulas Stoichiometry SOLLUTIONS Heterogeneous and Homogeneous Mixtures The Solution Process Solubility as an Equilibrium Process Ways of Expressing Concentration of Solution Preparation of Solutions Solution Stoichiometry IMPORTANT INORGANIC COMPOUNDS Introduction Oxides Acids Bases Salts Battery Stomach Acid Vinegar Acidic Neutral Alkaline Coffee Water Baking Soda Ammonia Solution Bleach Lemon Tomato Decreasing Increasing Milk Blood Stomach Tablets Soap Drain Cleaner ENERGY CHANGES AND ELECTROCHEMISTRY Introduction Energy Changes in Electrochemistry Electrochemical Cells Electrolysis METALS AND NONMETALS General Properties of Metals and Production of Some Metals Production of Some Important Nonmetals HYDROCARBONS AND THEIR NATURAL SOURCES Saturated Hydrocarbons: Alkanes (CnH2n 2) Unsaturated Hydrocarbons: Alkenes, Alkynes and Aromatic Hydrocarbons Aromatic Hydrocarbons: Benzene Natural Sources of Hydrocarbons