Chapter 3. Mineral and Power Resources Class 8 Geography Solutions English Medium-Additional - Question

NCERT Solutions Class 8 Geography English Medium

Chapter 3. Mineral and Power Resources

Topic: Additional - Question

Additional - Question:

Que: Distribution of Minerals in India?

Ans: 

• Iron: It is normally found in states of Jharkhand, Orissa, Chhattisgarh, Madhya Pradesh, Goa, Maharashtra and Karnataka.

• Bauxite: Jharkhand, Orissa, Madhya Pradesh and Tamil Nadu are main producers.

• Mica: Bihar, Jharkhand, Rajasthan & Andhra Pradesh.

• Copper: Rajasthan, Madhya Pradesh, Jharkhand and Andhra Pradesh are major producers. 

• Manganese: Madhya Pradesh, Maharashtra, Madhya Pradesh, Rajasthan, Tamil Nadu & Gujarat have sufficient quantities 

• Limestone: Jharkhand, Madhya Pradesh, Chhattisgarh, Orissa, Gujarat and Tamil Nadu

• Gold: Karnataka is major reservoir

• Salt: Various seas, lakes & rocks

• Use of Minerals

• Various industries are completely dependent upon the use of minerals.

• Hard minerals are normally used in gems and placed in different forms of jewellery.

• From coins to pipes, every single item can be seen as  made of copper.

• There is also extensive use of silicon in the computer industry.

​Que: Conservation of Minerals?

Ans: Minerals are such resources of nature which are not renewable in nature. Minerals are normally formed & concentrated by thousands of years. The wastage must be reduced in the mining procedure. Mineral resources can also be conserved by the process of recycling.

Que: What do you mean by mind engergh?

Ans: Wind energy is the energy that is obtained by the speed of moving wind. This source of energy is considered as an inexhaustible or renewable source of energy. Wind energy is obtained when the speed of moving wind rotates the windmill which is connected to a generator that converts the wind converts the wind energy to electricity. Wind energy can be generally found in open spaces as the wind blow at high speed in these areas. Wind energy is a clean and pure form of energy.

Que: What is Biogas?

Ans: Biogas is the energy that is obtained from organic like dead plants, kitchen waste, cow dung, and other organic materals. These organic wates are put in large containers or pits called biogas digesters and are decomposed by bacterial action. After certain days, The digester emits biogas which is a mixture of methane gas and carbon dioxide. Biogas is considered as an excellent fuel used for cooking. It produces a high amount of heat and light. Biogas is eco - friendly in nature, but producing this energy is challenging as well as costly.

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