Thermal Power Plants. >> These are of three types: → Ferrous minerals. All maps have been updated as per the latest CBSE Map syllabus. Metallurgyis the field of science which deals with th… The mineral content of the ore must be in sufficient concentration to make its extraction commercially viable. 6 0 obj The naturally occurring chemical substances in the earth’s crust which are obtained by mining are known as minerals. /ca 1 /Subtype /Form Minerals are generally classified as metallic and non-metallic minerals. Students, do yourselves. A) 3000 B) 2800 C) 2500 D) 2900 . The type of formation or structure in which they are found determines the relative ease with which mineral ores may They also calculated the approximate cost of electricity consumed by fans, lights and other appliances not switched off. Switching off the appliances when not in use. The mineral fuels like coal and petroleum are also non-metallic minerals. endstream >> 26) Name some of the countries which have large deposit of iron. {xl��Y�ϟ�W.� @Yқi�F]+TŦ�o�����1� ��c�۫��e����)=Ef �.���B����b�nnM��$� @N�s��uug�g�]7� � @��ۘ�~�0-#D����� �`�x��ש�^|Vx�'��Y D�/^%���q��:ZG �{�2 ���q�, Minerals rich in a particular element that can be extracted profitably is known as ores. >> /Interpolate true Russia, Norway, UK and the Netherlands are rich in natural gas resources. … /x6 2 0 R Isolation of elements in Chemistry class 12th aims to teach the students about the various processes of extraction of metals from ores. >> /S /Alpha NCERT Solutions for Class 10 Geography Chapter 5 Minerals and Energy Resources Ques 1: Multiple choice questions(i) Which one of the following minerals are formed by the decomposition of rocks, leaving a residual mass of weathered material? >> Rocks from which minerals are mined, are known as ores. The non-metallic minerals do not contain metals. While others occur in sedimentary rocks. Answer: endstream /Length 56114 Identify Canadian Shield, Appalachians, Western Cordilleras and Lake Superior with the help of an Atlas. (iii) Salma’s class took up an action campaign to do an energy audit of their school by surveying electricity consumption. Question 6: Name an old and a new mineral oil producing area. Very few metals such as the noble metals, i.e., Gold, Silver, Platinum, etc are present in their original metallic forms in nature. minerals like iron ore, manganese and chromites contain iron. /Type /XObject >> NCERT Class 8 Geography Chapter 3 Mineral and Power Resources Extra Questions and Answers. (iv) Quarrying can become a major environmental concern. The metallic prtnerals contain metal in raw form. Thus, all ores are minerals but all minerals are not ores. All ores are minerals. Give reasons. Our team of experts is curating sets of NCERT Solutions for Class 8 Social Science Geography Chapter 3 Mineral and Power Resources are given here will help you to prepare well and score good numbers in exams. stream ������, �� U]�M�G�s�4�1����|��%� ��-����ǟ���7f��sݟ̒Y @��x^��}Y�74d�С{=T�� ���I9��}�!��-=��Y�s�y�� ���:t��|B�� ��W�`�_ /cR C� @�t������0O��٥Cf��#YC�&. Minerals. Antarctica. CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. Distribution of minerals in India. Answer: Some minerals from which a metal can be extracted is known as ore. (ii) Most industries are concentrated around coal mines. << A) Gold B) Silicon C) Petroleum D) Iron . We have Provided Mineral and Power Resource Class 8 Geography MCQs Questions with Answers to help students understand the … endobj endobj Non-metallic minerals are either organic in origin such as fossil fuels also known as mineral fuels which are derived from the buried animal and plant life such as coal and petroleum. Q25- To reach mineral deposits at great depths, deep bores have to be made. Question 59. Generally, metallic minerals are found in igneous and metamorphic rock formations that form large plateaus. Ferrous minerals contain iron. (b) They have a definite chemical composition. /Resources 4 0 R Mineral and Power Resources Class 8 MCQs Questions with Answers Appearing Students of Class 8 Exams can download MCQ on Mineral and Power Resources Class 8 with Answers from here. Economically extracted become a major Environmental concern the world ( iii ) two... Railway tracks etc coal and petroleum are also non-metallic minerals include iron ore, uranium,,... ( d ) marble, the replenishment rate of minerals have been updated as per the latest CBSE Syllabus... Ores are minerals but all minerals are the ores of metallic minerals are generally located in and! We hope the given instructions Maths notes, CBSE Chemistry notes mining areas an.! 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