Category: Class 10

Footprints without Feet Extra Questions and Answers English Footprints without Feet Chapter 5

Are you looking for Footprints without Feet Extra Questions and Answers, if yes? then you the right place. Here we are providing Footprints without Feet Extra Questions and Answers Class 10 English Footprints without Feet Chapter 5. Footprints without Feet Extra Questions and Answers English Footprints without Feet Chapter 5 Summary ‘Footprints without feet’, is […]

Petroleum

Petroleum Petroleum can be defined as mixture of hydrocarbon or also called as mineral oil or crude oil which is obtained from underground earth, is usually use to make the chemicals, plastic, petrol and other complex compounds. It is also called as black gold according to scientist. Properties of petroleum: Petroleum is basically a hydrocarbon […]

Coal

Coal Coal can be defined as the natural and non-renewable source also called as fossil fuel which is formed due to heating activity. It is made up of mainly carbon but also contains hydrogen, sulphur etc. Coal has many forms, therefore there are classification system for coal. Classification of coal: There are 3 types of […]

Water Pollution

Water pollution Pollution can be defined as the disturbance in the normal process of environment due to presence of contaminants, the environment get polluted called as pollution. There are basically 3 types of pollution such as water pollution, air pollution and noise pollution. Here we’re mainly concern with water pollution. Water pollution can be defined […]