CONTENTS:
1.Chemical Reactions and Educations
2.Acids, Bases and Salts
3.Metals and Non-Metals
4.Carbon and its Compounds
5.Life Processes
6.Control and Coordination
7.How Do Organisms Reproduce ?
8.Heredity
9.Light-Reflection and Refraction
10.The Human Eye and the Colourful World
11.Electricity
12.Magnetic Effects of Electric Current
13.Our Environment












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