Chapter name

Deleted topics

Chapter 1: Matter in our surroundings

Box item titled ‘Plasma and Bose–Einstein Condensate’

Chapter 2: Is matter around us pure?

2.3 Separation of the components in a mixture

2.3.1 How can we get colored components (dye) from blue/black ink?

2.3.2 How can we separate cream from milk?

2.3.3 How can we separate a mixture of two immiscible liquids?

2.3.4 How can we separate a mixture of salt and camphor?

2.3.5 Is the dye in black ink uniform?

2.3.6 How can we separate a mixture of two miscible liquids?

2.3.7 How can we get different gases from air?

2.3.8 How can we get pure copper sulphate from an impure sample?

Chapter 3: Atoms and molecules

Mole concept

Chapter 7: Diversity in living organisms

Entire chapter

Chapter 8: Movement

8.5 Equations of motion by graphical method

8.5.1 Equation for velocity-time relationship

8.5.2 Equation for position-time relationship

8.5.3 Equation for position – velocity

Chapter 9: Force and Laws of Motion

9.6 Conservation of momentum activity 9.5, 9.6

Example 9.6, 9.7, 9.8 Box element ‘Conservation laws’

Chapter 9: Force and Laws of Motion

The following box items:

one. Brief description of Isaac Newton

b. How did Newton guess the inverse square law?

10.7 Relative density Example 10.7

Chapter 11: Work and energy

11.3.1 Commercial energy unit

Chapter 12: Sound

Box item titled “Can sound make a bright spot dance?”

Box item titled ‘Sonic Boom’

12.2.1 Sound needs a medium – travel

12.5.1 Sonar

12.6 The structure of the human ear

Chapter 13: Why do we get sick?

Entire chapter

Chapter 14: Natural resources

Entire chapter