Substances and types of substances (revision)
Structure and properties of the substances (revision)
Chemical reactions and chemical systems
Energy changes in chemical reactions
Thermochemistry regularities
Fuels and foods (exercise)
Rate of chemical reactions. Factors influencing the rate of chemical reactions
Catalysis
Rate of chemical reactions. Catalysis (laboratory exercise)
Chemical equilibrium
Factors that affect chemical equilibrium
Chemical equilibrium (laboratory exercise)
Chemical processes - regularities (exercise)
Characteristics of chemical processes (summary)
Solutions
Solubility of substances
Quantitative characteristics of solutions (exercise)
Properties of the solutions
Solutions in household and practice (exercise)
Aqueous solutions of electrolytes and non-electrolytes
Strong and weak electrolytes. Water as an electrolyte
Acids, bases and salts
Chemical reactions between aqueous solutions of electrolytes (ion-exchange reactions)
Ion-exchange reactions (exercise)
Identification of ions in solutions (laboratory exercise)
Hydrolysis
Determination of pH of solutions and products used in practice (laboratory exercise)
Solutions of electrolytes (exercise)
Oxidation and reduction. Oxidation state
Oxidation and reducing agents (exercise)
Oxidation and reduction in solutions
Reactivity of metals (laboratory exercise)
Chemical sources of electric current
Electrolysis
Oxidation-reducton processes (exercise)
Chemical reactions (summary)
Types of chemical reactions (exercise)
Chemical elements and simple substances (summary)
Inorganic compounds (summary)
Simple substances and inorganic compounds (exercise)
Types of organic compounds (summary)
Organic compounds with biological functions (summary)
Organic compounds (exercise)
Identification of organic substances in foods (laboratory exercise)
Copper. Compounds of copper
Zinc. Compounds of zinc
Iron. Compounds of iron
Metals and their compounds (laboratory exercise)
Corrosion of metals
Production of metals and risks for the environment
Polymers
Plastics
Rubber
Fibers
Identification of fibres (laboratory exercise)
Materials and their properties
Materials (exercise)
Chemical technologies and the environment
Environmental protection
The World, Bulgaria and the environment
Analysis of waters and soils (laboratory exercise)