Name any three common minerals used by you everyday

Answer:

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NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources

Last Updated: February 12, 2019 by myCBSEguide

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NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources Chapter 3 are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. Class 8 Social Science chapter wise NCERT solution for Social Science part 1 part 2 and Part 3 for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

NCERT Solutions for Geography Download as PDF

NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources

NCERT Class 8 Social Science Chapter Wise Solutions

History

How When and Where

From Trade to Territory

Ruling the Countryside

Tribals Dikus and the Vision of a Golden Age

When the People Rebel

Colonialism and the City

Weavers Iron smelters and Factory owners

Civilising the Native Educating the Nation

Women Caste and Reform

The Changing World of Visual Arts

The Making of the National Movement 1870s 1947

India After Independence

Political Science

The Indian Constitution

Understanding Secularism

Why do we Need a Parliament

Understanding Laws

Judiciary

Understanding Our Criminal Justice

Understanding Marginalisation

Confronting Marginalisation

Public Facilities

Law and Social Justice

Geography

Resources

Land Soil Water Natural Vegetation and Wild Life Resources

Mineral and Power Resources

Agriculture

Industries

Human Resources

NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources

1. Answer the following questions.

(i) Name any three common minerals used by you every day.

Ans: The three common minerals used every day are Salt, Gold and Copper.

(ii) What is an ore? Where are the ores of metallic minerals generally located?

Ans: Rocks from which minerals are obtained are known as ores. For any material to be called ore of any mineral, it must contain a minimum adequate quantity of that mineral so that it can be extracted profitably.

The ores of metallic minerals are generally located in igneous rocks and metamorphic rocks.

(iii) Name two regions rich in natural gas resources.

Ans: The two regions rich in natural gas resources are Russia and Norway.

(iv) Which sources of energy would you suggest for rural areas (b) coastal areas (c) Arid regions?

Ans:

Kind of Regions Suggested sources of energy

A. Rural areas Biogas energy.

B. Coastal area Hydel and tidal energy.

C. Arid regions Wind and solar energy.

(v) Give five ways in which you can save energy at home.

Ans: Five ways in which energy can be saved at home:

(i) Switching off lights, fans and other electrical appliances when not in use

(ii) By seeing to it that electrical devices are operating efficiently; for example, defrosting refrigerator regularly and not keeping the refrigerator door open for longer than necessary

(iii) Using energy-efficient devices such as fluorescent bulbs and tubes

(iv) Using energy efficiently while cooking; for example, keeping the lids closed, while cooking

(v) Unplugging electrical devices when not in use prevents leakage of electricity; thus saving energy.