Chemistry

This chapter comprises several activities to explain the differences between natural and synthetic fibres. It describes the use of plastics for various purposes. We will also study different types of plastics and their effect on the environment.

This chapter explains the classification of elements into metals and non-metals. It covers their physical and chemical properties. Further, it explains the various methods of extraction of metals from ores and the reactivity order of metals.

Through this chapter, we will explore the use of coal and petroleum products. It explains the differences between exhaustible and inexhaustible resources. A short note on the use of natural gas is also provided here.

In this chapter, we will study the process of combustion with the help of activities. It highlights different types of combustion, along with examples of some combustible materials. We will also come across the definition of calorific value.