CONTENTS
Chapter 1 Chemical Reactions and Equations (page 1)
Chapter 2 Acids Bases and Salts (page 17)
Chapter 3 Metals and Non-metals (page 37)
Chapter 4 Carbon and its Compounds (page 58)
Chapter 5 Periodic Classification of Elements (page 79)
Chapter 6 Life processes (page 93)
Chapter 7 Control and Coordination (page 114)
Chapter 8 How do Organisms Reproduce? (page 127)
Chapter 9 Heredity and Evolution (page 142)
Chapter 10 Light -Reflection and Refraction (page 160)
Chapter 11 The Human Eye and the Colourful world (page 187)
Chapter 12 Electricity (page 199)
Chapter 13 Magnetic Effects of Electric Current (page 223)
Chapter 14 Sources of Energy (page 242)
Chapter 15 Our Environment (page 256)
Chapter 16 Sustainable Management of Natural Resources (page 266)
ANSWERS (PAGE 281-282)