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Chemistry · Grade 9

30/30 weeks ready · I.R. Asqarov, K. G‘opirov, N.X. To‘xtaboyev. Chemistry Grade 9, revised 4th edition. “O‘zbekiston” NMIU, Tashkent, 2019

Chapter IReview of the most important topics of the Grade 8 course

1

The periodic law and periodic system

2

Types of chemical bonds

Chapter IIThe theory of electrolytic dissociation

3

Electrolytes and their dissociation

4

Strong and weak electrolytes

5

Ion-exchange reactions

6

Hydrolysis of salts

Chapter IIINonmetals. The carbon group

Chapter IVMetals

12

Production of metals. Alloys

13

Properties of metals

14

Corrosion of metals

15

Electrolysis

16

Alkali metals. Sodium and potassium

17

Soda production. Calcium and magnesium

18

Water hardness. Practical work 2

19

Aluminium

20

Aluminium compounds. Copper

21

Silver, gold. The zinc subgroup

22

Chromium and its compounds

23

Manganese

24

Iron

25

Iron compounds. Cast iron

26

Steel. Practical work 3

Chapter VSummary of inorganic chemistry

27

Prospects of the chemical industry

28

Protecting the atmosphere and hydrosphere

29

The significance of the periodic law

30

Reactions in chemical production