Chemistry

This chapter deals with synthetic fibres and natural fibres. It discusses the types and characteristics of synthetic fibres. It also explains the advantages and limitations of using plastics.

In this chapter, we will study the detail of metals and non-metals. We will learn the physical and chemical properties of metals and non-metals. We will also understand their reactions with acids, bases, water and oxygen.

Exhaustible resources are types of natural resource which are presented in limited and cannot be renewed. This chapter discusses coal and petroleum in detail. It also lists the various constituents of petroleum and its uses.

This chapter deals with fuels, types of combustions and flames. It also describes the structure of flame, what is a fuel, fuel efficiency and how burning of fuel is harmful.