NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources Chapter 3 are available in PDF format for free download. << /Type /ExtGState /Matrix [1 0 0 1 0 0] >> /ColorSpace /DeviceGray (e) Keep the vegetables chopped and washed before lighting the gas stove. Minerals are generally classified as metallic and non-metallic minerals. (ii) Appalachian region – Coal (iii) Western Cordilleras – Copper, lead, zinc, gold and silver. Answer: x���1 �O�e� ��� /ca 1 Iron is used to make machineries, weapons, railway tracks etc. /Type /XObject 11 0 obj /Interpolate true /S /Transparency >> /a0 endobj Answer: /CA 1 All maps have been updated as per the latest CBSE Map syllabus. (c) Preparing food in pressure cooker. >> << /ExtGState (d) Their distribution is uneven. Minerals occur in different types of rocks. /Width 1894 /CA 1 Where are the ores of metallic minerals generally located ? /XObject �,,��l��u��4)\al#:,��CJ�v�Rc���ӎ�P4+���[��W6D����^��,��\�_�=>:N�� stream /a0 << << The mineral fuels like coal and petroleum are also non-metallic minerals. (b) Agriculture sector uses Diesel and Kerosene. (a) They are created by natural processes. Ore: The mineral from which element can be extracted easily and profitably is called an ore. Gangue: The impurities present in the ore such as sand, rocks etc are non as gangue. (i) Name any three common minerals used by you every day. endstream Africa is rich in mineral resources. << Answer: Ores are the rocks which are mined to extract minerals from them. /XObject endobj /x19 9 0 R stream Metallic minerals are generally located in igneous and metamorphic rock formations that form large plateaus. /Interpolate true (ii) Most industries are concentrated around coal mines. Answer: Using the data collected during the survey, students calculated the units consumed for one month and the approxi-mate expenditure and compared it with the electricity bill of the previous month. minerals like iron ore, manganese and chromites contain iron. /BitsPerComponent 1 endstream endstream (b) Use of sunlight by keeping the windows open during day time. stream MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. Metallic Minerals Non- Metallic Minerals endobj 2 0 obj << /Width 1894 We have Provided Mineral and Power Resource Class 8 Geography MCQs Questions with Answers to help students understand the … The term ore is used to describe an accumulation of any mineral mixed with other elements. Students, do yourselves. << Dumping of waste and slurry leads to degradation of land, soil and increase in stream and river pollution. (a) Bolivia >> The naturally occurring chemical substances in the earth’s crust which are obtained by mining are known as minerals. /ExtGState CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. /BBox [0 0 456 455] Minerals are those in which individual crystals are composed of unit cells or basic unit layers of two or more types. >> /Subtype /Form Defore-station, soil erosion, sedimentation, displacement of local communities are the other problems which rise due to the construction of huge dams. Some minerals from which a metal can be extracted is known as ore. /Type /XObject << << /ca 1 Natural gas is found with petroleum deposits and Is released when crude oil is brought to the surface. << Class 10 Social Science Syllabus includes Maps from History and Geography. >> Minerals generally occur in these forms: (i) In igneous and metamorphic rocks minerals may occur in the cracks, crevices, faults or joints. << endobj Every mineral is not suitable for the extraction of the metal. stream /Subtype /Image Ans. It has a definite composition. 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. /Subtype /Form << Identify Canadian Shield, Appalachians, Western Cordilleras and Lake Superior with the help of an Atlas. /XObject (iii) Name two regions rich in natural gas resources. The smaller occurrences are called veins and the larger are called lodes. Mineral and Energy Resources :NCERT Geography Lesson For class 10th. stream (b) Ghana. stream Rocks from which minerals are mined, are known as ores. << Oil Fields. (v) Give five ways in which you can save energy at home. T(�2P�01R0�4�3��Tе01Գ42R(JUW��*��)(�ԁ�@L=��\.�D��b� Answer: Question 1. Answer: Minerals. Question 3. The type of formation or structure in which they are found determines the relative ease with which mineral ores may >> Silicon, Arsenic, Germanium .They are called metalloids /Type /XObject /BBox [0 0 456 455] (d) Cooking food in an open pan kept on low flame. >> (a) Rural areas – Biogas You could conduct a similar survey at home and then extend it to your appartment and make your neighbours also energy wise. The appropriate maintenance and usage of appliances as per the given instructions. Answer: /BBox [0 0 596 842] >> Thermal Power Plants. Iron-ore in north Sweden, copper and nickel deposits in Ontario, Canada, iron, nickel, chromites and platinum in South Africa are examples of minerals found in igneous and metamorphic rocks. /Filter /FlateDecode We hope the given CBSE Class 10 Geography Map Work Chapter 5 Minerals and Energy Resources will help you. The metallic prtnerals contain metal in raw form. /Interpolate true Elements are classified broadly into two categories on the basis of properties: Metals: Iron, Zinc, Copper, Aluminium etc. In most cases, they are formed when minerals in liquid/molten and gaseous forms are forced upward through cavities towards the earth’s surface. An ore is a rock from which minerals are mined. /BitsPerComponent 1 of working hours), Is it switched on even when not in use (Yes or No). Answer: stream endstream 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. Maximising the use of natural breeze and light by keeping the windows open. Sources of energy suggested for endstream << endobj �%� ��yԂC��A%� x'��]�*46�� �Ip�
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For example, iron-ore, manganese etc. The mineral content of the ore must be in sufficient concentration to make its extraction commercially viable. /Length 1076 Answer Salt, Gold and Copper are three common minerals used everyday (ii) What is an ore? (a) Rural areas /G 13 0 R Answer: (iii) Ferrous and non-ferrous minerals Answer the following questions. << non-ferrous. Define the following terms. Minerals occur in different types of rocks. /AIS false %PDF-1.4 /Filter /FlateDecode /Type /Mask They are found in varied forms in nature. /SMask 10 0 R A) Gold B) Silicon C) Petroleum D) Iron . NCERT Class 10 Geography Chapter 5: Minerals & Energy Resources Completes Notes Part 1. Which continent is the leading producer of iron ore in the world? /Filter /FlateDecode /ca 1 Minerals and Ores The naturally occurring substances in the form of which the metals occur in the earth crust are called minerals. >> 2. NCERT Solutions for Class 8 Geography Chapter 3 Mineral and Power Resources. Ferrous minerals contain iron. (iv) Quarrying can become a major environmental concern. Earthy substance associated with ores are called gangue. These are naturally occurring homogeneous inorganic solid substances which have a definite chemical composition. /s13 7 0 R (c) They are inexhaustible. /Type /XObject Answer: >> Describe the distribution of minerals in North America. Non-metallic minerals include limestone, mica, coal and petroleum. /Filter /FlateDecode An ore is a naturally occurring solid material from which a mineral, generally a metal, can be profitably extracted. �0�{�~ �%���+k�R�6>�( endobj CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. << iv. Some are found in igneous rocks, some in metamorphic rocks, while others occur in sedimentary rocks. For example, solar energy, wind energy, water etc. Antarctica. 7 0 obj (b) Cooking food in a pressure cooker. >> Copper is used to make coins, electrical wires etc. Q23- More than _____ different types of minerals have been identified until now. Coal Mines. /Subtype /Image Biogas is produced   from dead plants and animal, Material ,animal dung and kitchen waste. (b) Iron /CA 1 are obtained from veins and lodes. Question 1. /Height 1894 /Subtype /Form Question 2. /Type /XObject Minerals are inorganic catalysts that function as regulators of metabolic activities in the body. >> Sedimentary rock formations of plains and young fold mountains contain non-metallic minerals … /Length 82 (a) Switch off electric bulbs, fans when not in use. T(�2�331T015�3� S��� /Resources /Subtype /Image Isolation of elements in Chemistry class 12th aims to teach the students about the various processes of extraction of metals from ores. Question 1 (3). (c) Keeping the vegetables chopped before lighting the gas for cooking. (ii) Design a poster highlighting energy conservation tips you would take for your school. /a0 >> Ores are the specific minerals in which metals are economically extracted. /x6 2 0 R /Length 56114 All ores are minerals. (a) Aluminium Each and every ore is a mineral but not every mineral is ore. (a) Soaking the Dal for some time before cooking it. 5 0 obj >> Dams also fragment rivers making it difficult for aquatic fauna to migrate. /Height 1894 >> /ExtGState No. Various metals … }w�^m���iHCn�O��,� ���[x��P#F�6�Di(2 ������L�!#W{,���,� T}I_��O�-hi��]V��,� T}��E�u Women Marines in World War I - Free download as PDF File (.pdf), Text File (.txt) or read online for free. {xl��Y�ϟ�W.� @Yқi�F]+TŦ�o�����1� ��c�۫��e����)=Ef �.���B����b�nnM��$� @N�s��uug�g�]7� � @��ۘ�~�0-#D����� �`�x��ש�^|Vx�'��Y D�/^%���q��:ZG �{�2 ���q�, >> << /Interpolate true >> Q22- Ores of _____ contain iron. Mineral : A homogenous, naturally occurring substance with a definable internal structure. minerals do not contain metals. Very few metals such as the noble metals, i.e., Gold, Silver, Platinum, etc are present in their original metallic forms in nature. (d) Keeping the food out of refrigerator one hour before heating it on the gas. A mineral can be defined as “a homogenous naturally occurring substance with definite internal structure.” From the hardest diamonds to the softest talc - all come under the category of minerals. x���t�������{E�� ��� ���+*�]A���
�zDDA)V@�ޛ��Fz���? Tick the correct answer. /Height 3508 << (iii) Which one of the following practices will NOT conserve LPG in your kitchen ? >> Most recently, the Pea Ridge Mine in Washington County was the deepest working iron ore mine in the U.S. Missouri had many iron ore mines operating the southeastern part of the state. Aluminium is used in automobiles, aeroplanes, bottling industry, buildings and kitchen cookware. 6 0 obj endobj /ColorSpace /DeviceGray Nuclear Power Plants (a) Mineral oil is used in Transport sector it uses 50% of the total production. They prepared survey sheets for the students of the school. Answer: >> x���1 �O�e� ��� 8 0 obj 1. Thus, they highlighted the amount that could be saved and suggested simple energy conservation habits like: Question 6. Russia, Norway, UK and the Netherlands are rich in natural gas resources. Question 59. Question 1. Answer: @�Svgvfv�����h��垼N�>� _���G @}���> ����G��If 0^qd�N2 ���D�� `��ȒY �VY2 ���E�� `$�ȒY �#�,� �(�ȒY �!Y2 �d#Kf �/�&�ȒY ��b�|e�, �]Mf 0� �4d ӐY LCf 0
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�5jФNl\��ud #D�jy��c&�?g��ys?zuܽW_p�^2 �^Qջ�3����3ssmBa����}l˚���Y tIhyכkN�y��3�%8�y� �0FQ�B�BW��~���Bz��~����K�B W ̋o Answer: (iv) Metallic and non-metallic minerals 27) What kind of minerals are found in Eastern Europe and European Russia? These resources cannot be renewed or recycled and get exhausted once they are used. NCERT Class 8 Geography Chapter 3 Mineral and Power Resources Extra Questions and Answers. They also calculated the approximate cost of electricity consumed by fans, lights and other appliances not switched off. >> 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? /BBox [0 0 595.2 841.92] Answer: (i) Use pictures from old magazines to show different kinds of fuels used by us in our lives and display them on your bulletin board. Damming of rivers affect their natural flow. (d) Cooking food in an open pan kept on low flame. By practicing Class 8 Geography Chapter 3 MCQ with Answers, you can score well in … Metallic minerals include iron ore, uranium, bauxite, manganese, gold, silver and copper. These are those naturally occurring homogeneous inorganic solid substances from which metal can be economically extracted. If you have any query regarding NCERT Class 10 Geography Map Work Chapter 5 Minerals and Energy Resources, drop a comment below and we … /Length 106 The name is derived from the Latin word for "Ore." Galena is usually silver to dark gray in color. � << The earth's crust is made up of different minerals embedded in the rocks. Thus, all ores are minerals but all minerals are not ores. Question 6: Name an old and a new mineral oil producing area. Switching off the appliances when not in use. (iii) Salma’s class took up an action campaign to do an energy audit of their school by surveying electricity consumption. List uses of any five minerals. (d) Gold. x�e�1 x�+� Where are the ores of metallic minerals generally located? (c) Copper >> A) manganese B) gypsum C) sandstone D) marble . Rocks from which minerals are mined, are known as ores. Q24- _____ is a mineral fuel. These ncert book chapter wise questions and answers are very helpful for CBSE exam. Distinguish between the followings. … >> 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. endobj Answer: In North America mineral deposits are found in three zones: (i) The Canadian Shield – Iron-ore, nickel, gold, uranium and copper are found. /Width 2480 Students, do yourselves. The mineral from which the metal is economically and conveniently extracted is called an ore. Answer: Answer: Distribution of minerals in India. endobj (iv) It takes millions of years for the formation of minerals. Students, do yourselves. /Width 2480 /Resources x�+� Rocks are combinations of minerals. /ColorSpace /DeviceGray >> Generally, metallic minerals are found in igneous and metamorphic rock formations that form large plateaus. /Type /XObject /Subtype /Form /CS /DeviceRGB Kerala Syllabus 9th Standard Physics Solutions Guide, Kerala Syllabus 9th Standard Biology Solutions Guide, Mineral and Power Resources NCERT Solutions for Class 8 Social Science Geography Chapter 3, Class 8 Geography Chapter 3 Mineral and Power Resources InText Questions and Answers, Class 8 Geography Chapter 3 Mineral and Power Resources Exercise Questions and Answers, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.5, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.4, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.3, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties Ex 6.2, NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles Ex 5.2, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.4, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.3, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.2, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.3, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.2, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.7, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.6, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.5, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.4. Limestone, mica and gypsum are examples of such minerals. Compared to the present rate of consumption, the replenishment rate of minerals is very slow. Answer the following questions. A particular mineral that formed from a certain combination of elements depends upon the physical and chemical conditions under which the material forms Because of this different minerals have different […] /Length 1076 /SMask 11 0 R (b) Coastal areas – Wind energy tidal energy endobj Give reasons. /Length 50 stream Answer (iv) Which sources of energy would you suggest for /BitsPerComponent 1 Answer: They are found in the earth crust and obtained by mining. x���
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