Q25- To reach mineral deposits at great depths, deep bores have to be made. /Width 1894 (a) Bolivia (b) Coastal areas – Wind energy tidal energy Limestone, mica and gypsum are examples of such minerals. The non-metallic minerals do not contain metals. mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead. (d) Cooking food in an open pan kept on low flame. Answer: In North America mineral deposits are found in three zones: (i) The Canadian Shield – Iron-ore, nickel, gold, uranium and copper are found. 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These ncert book chapter wise questions and answers are very helpful for CBSE exam. The earth's crust is made up of different minerals embedded in the rocks. Check the below NCERT MCQ Questions for Class 8 Geography Chapter 3 Mineral and Power Resource with Answers Pdf free download. Non-ferrous minerals does not contain iron but may contain some other metals such as gold, silver. Antarctica. The naturally occurring chemical substances in the earth’s crust which are obtained by mining are known as minerals. stream /Height 3508 (iv) Which sources of energy would you suggest for Ores Minerals 1. << (d) Their distribution is uneven. Answer (i) Name any three common minerals used by you every day. Question 1. 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. /AIS false << Where are the ores of metallic minerals generally located? 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. >> /a0 NCERT 5th Class (CBSE) Science: Rocks and Minerals admin September 4, 2017 5th Class , Science 4 Comments 41,178 Views Question: Name the three layers of the earth. Each and every ore is a mineral but not every mineral is ore. Due to large deposits of ice cover it is very difficult to mine minerals in this region; It is believed that there are reserves of coal, iron ore, copper, uranium, gold and silver. All ores are minerals. Answer: (iv) Metallic and non-metallic minerals >> Q22- Ores of _____ contain iron. << >> /Filter /FlateDecode endstream /a0 They prepared survey sheets for the students of the school. >> << x���1  �O�e� ��� (i) Conventional and non-conventional sources of energy. Nuclear Power Plants Aluminium is used in automobiles, aeroplanes, bottling industry, buildings and kitchen cookware. Answer: /XObject /Type /ExtGState (iii) Petroleum is referred to as “black gold.” Non – metals: Chlorine, Nitrogen, Hydrogen, Oxygen, Sulphur etc.Apart from metals and non-metals some elements show properties of both metals and non – metals, e.g. >> Distribution of minerals in India. Non-metallic minerals include limestone, mica, coal and petroleum. Silicon, Arsenic, Germanium .They are called metalloids Metallic minerals are generally located in igneous and metamorphic rock formations that form large plateaus. For example, iron-ore, manganese and chromites. Damming of rivers affect their natural flow. 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. 1 0 obj /x10 8 0 R �,,��l��u��4)\al#:,��CJ�v�Rc���ӎ�P4+���[��W6D����^��,��\�_�=>:N�� Various metals … Dams also fragment rivers making it difficult for aquatic fauna to migrate. (b) Ghana. Answer: Ores are the rocks which are mined to extract minerals from them. << /Height 3508 non-ferrous. >> endstream Question 59. 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. United States Marine Corps history of women Marines in World War I. << A) manganese B) gypsum C) sandstone D) marble . NCERT Class 8 Geography Chapter 3 Mineral and Power Resources Extra Questions and Answers. >> x���1  �O�e� ��� /Type /XObject /CS /DeviceRGB (i) Environmental aspects must be carefully looked into before building huge dams. NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources Chapter 3 are available in PDF format for free download. (e) Keep the vegetables chopped and washed before lighting the gas stove. endobj �[i&8n��d ���}�'���½�9�o2 @y��51wf���\��� pN�I����{�{�D뵜� pN�E� �/n��UYW!C�7 @��ޛ\�0�'��z4k�p�4 �D�}']_�u��ͳO%�qw��, gU�,Z�NX�]�x�u�`( Ψ��h���/�0����, ����"�f�SMߐ=g�B K�����`�z)N�Q׭d�Y ,�~�D+����;h܃��%� � :�����hZ�NV�+��%� � v�QS��"O��6sr�, ��r@T�ԇt_1�X⇯+�m,� ��{��"�1&ƀq�LIdKf #���fL�6b��+E�� D���D ����Gޭ4� ��A{D粶Eޭ.+b�4_�(2 ! /BitsPerComponent 8 >> /Length 82 >> /Subtype /Image /XObject (c) Chile /Subtype /Image /Width 2480 (ii) Design a poster highlighting energy conservation tips you would take for your school. (c) Arid regions Ferrous minerals contain iron. << }w�^m���iHCn�O��,� ���׋[x��P#F�6�Di(2 ������L�!#W{,���,� T}I_��O�-hi��]V��,� T}��E�u The smaller occurrences are called veins and the larger are called lodes. Which continent is the leading producer of iron ore in the world? stream /Group Women Marines in World War I - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Switching off the appliances when not in use. << /CA 1 Question 2. << /Type /XObject x�+� Minerals occur in different types of rocks. Minerals are those in which individual crystals are composed of unit cells or basic unit layers of two or more types. /BBox [0 0 595.2 841.92] (b) Agriculture sector uses Diesel and Kerosene. /Type /Group >> /FormType 1 /Filter /FlateDecode Answer: Give reasons. For example, iron-ore, manganese etc. << << >> It has a definite composition. /ColorSpace /DeviceGray /CA 1 Minerals and Energy Resources Maps include five maps – Iron Ore Mines. (iii) Which one of the following practices will NOT conserve LPG in your kitchen ? >> By practicing Class 8 Geography Chapter 3 MCQ with Answers, you can score well in … >> /BBox [0 0 596 842] Define the following terms. (b) They have a definite chemical composition. Petroleum is used to derive various valuable products therefore, it is referred to as “black gold.”. The ores of metallic minerals are found in igneous and metamorphic rock formations that form large plateaus. /Height 1894 The major categories of minerals are ferrous and non-ferrous minerals. endobj NCERT Solutions for Class 8 Geography Chapter 3 Mineral and Power Resources. Biogas is produced   from dead plants and animal, Material ,animal dung and kitchen waste. /Type /XObject Answer: (c) Preparing food in pressure cooker. endobj Coal Mines. >> Identify Canadian Shield, Appalachians, Western Cordilleras and Lake Superior with the help of an Atlas. /XObject >> A . x�+� endobj /Resources Minerals are usually found in “ores”. endstream Describe the distribution of minerals in North America. (d) Keeping the food out of refrigerator one hour before heating it on the gas. /Length 457 Ans. Where are the ores of metallic minerals generally located ? endobj Question 6: Name an old and a new mineral oil producing area. … A) Gold B) Silicon C) Petroleum D) Iron . /ca 1 Students, do yourselves. endobj minerals like iron ore, manganese and chromites contain iron. /CA 1 7 0 obj endobj /a0 You could conduct a similar survey at home and then extend it to your appartment and make your neighbours also energy wise. These are those naturally occurring homogeneous inorganic solid substances from which metal can be economically extracted. 2 0 obj << Tick the correct answer. /Subtype /Form 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. Mineral : A homogenous, naturally occurring substance with a definable internal structure. /S /Alpha The name is derived from the Latin word for "Ore." Galena is usually silver to dark gray in color. ������, �� 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 like tin, copper, zinc and lead etc. >> Class 10 Social Science Syllabus includes Maps from History and Geography. /CA 1 For example, solar energy, wind energy, water etc. (b) Cooking food in a pressure cooker. Answer: Metallurgyis the field of science which deals with th… (a) Rural areas endobj /Subtype /Image iv. endstream If you have any query regarding NCERT Class 10 Geography Map Work Chapter 5 Minerals and Energy Resources, drop a comment below and we … /Type /Mask >> (a) Switch off electric bulbs, fans when not in use. << �0FQ�B�BW��~���Bz��~����K�B W ̋o /ExtGState Sources of energy suggested for >> Minerals which can be used as a source for commercial recovery of a desired substance are termed as ores. << /Type /XObject Earthy substance associated with ores are called gangue. Metallic Minerals. x���t�€������{E�� ��� ���+*�]A��� �zDDA)V@�ޛ��Fz���? /ca 1 Some are found in igneous rocks, some in metamorphic rocks, while others occur in sedimentary rocks. of working hours), Is it switched on even when not in use (Yes or No). Rocks are combinations of minerals. /Width 2480 /s13 7 0 R The mineral content of the ore must be in sufficient concentration to make its extraction commercially viable. Question 3. This is because, coal is a bulky raw material and involve high cost of transportation. (a) Rural areas – Biogas These resources can be renewed or used again and again. Non-metallic. (a) Aluminium /x6 2 0 R 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 […] /Filter /FlateDecode /Length 106 << These are naturally occurring homogeneous inorganic solid substances which have a definite chemical composition. T(�2P�01R0�4�3��Tе01Գ42R(JUW��*��)(�ԁ�@L=��\.�D��b� Minerals are generally classified as metallic and non-metallic minerals. Generally, metallic minerals are found in igneous and metamorphic rock formations that form large plateaus. %PDF-1.4 /Filter /FlateDecode 1. {xl��Y�ϟ�W.� @Yқi�F]+TŦ�o�����1� ��c�۫��e����)=Ef �.���B����b�nnM��$� @N�s��uug�g�]7� � @��ۘ�~�0-#D����� �`�x��ש�^|Vx�'��Y D�/^%���q��:ZG �{�2 ���q�, Very few metals such as the noble metals, i.e., Gold, Silver, Platinum, etc are present in their original metallic forms in nature. They are found in varied forms in nature. (a) Mineral oil is used in Transport sector it uses 50% of the total production. 3 0 obj x�e�1 << Some minerals from which a metal can be extracted is known as ore. Defore-station, soil erosion, sedimentation, displacement of local communities are the other problems which rise due to the construction of huge dams. �0�{�~ �%���+k�R�6>�( 11 0 obj /Resources 4 0 R >> x�+�215�35S0 BS��H)$�r�'(�+�WZ*��sr � C�|�@ ��� 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? Answer Salt, Gold and Copper are three common minerals used everyday (ii) What is an ore? 5 0 obj Dolomite is another commercially produced mineral that occasionally forms structures that are interesting to collect. << Answer: endstream /Length 50 /ca 1 (a) They are created by natural processes. /BitsPerComponent 1 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. /Interpolate true ♠ … Sixteen most abundant elements in the earth’s crust are given as: Q23- More than _____ different types of minerals have been identified until now. Africa is rich in mineral resources. The metallic prtnerals contain metal in raw form. 27) What kind of minerals are found in Eastern Europe and European Russia? … 6 0 obj These resources cannot be renewed or recycled and get exhausted once they are used. /Subtype /Form (c) They are inexhaustible. /Matrix [1 0 0 1 0 0] /ca 1 Dumping of waste and slurry leads to degradation of land, soil and increase in stream and river pollution. Answer: Old mineral oil producing area is of Eastern Region of Himalayas in Assam. Sedimentary rock formations of plains and young fold mountains contain non-metallic minerals … (b) Use of sunlight by keeping the windows open during day time. /SMask 10 0 R Question 1 (3). 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. /Interpolate true Answer the following questions. (d) Cooking food in an open pan kept on low flame. /BitsPerComponent 1 /x5 3 0 R (iii) Salma’s class took up an action campaign to do an energy audit of their school by surveying electricity consumption. Metallic minerals are generally located in igneous and metamorphic rock formations that form large plateaus. (v) Give five ways in which you can save energy at home. Answer: %���� Ores of metallic minerals are found usually in igneous and metamorphic rock formations. CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. stream Elements are classified broadly into two categories on the basis of properties: Metals: Iron, Zinc, Copper, Aluminium etc. /Height 1894 Answer: Question 1. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. >> (iii) Name two regions rich in natural gas resources. Answer: /Type /XObject 2. /ExtGState A) 3000 B) 2800 C) 2500 D) 2900 . 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