Distinguish between Metallic and nonmetallic minerals
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Minerals are deposited and accumulated in the stratas of which of the following rocks?
(a) sedimentary rocks
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The basis of similarities and differences between metallic and ionic crystals. (ii) Ionic solids are hard and brittle.
(i) The basis of similarities between metallic and ionic crystals is that both these crystal types are held by the electrostatic force of attraction. In metallic crystals, the electrostatic force...
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Differentiate between “minerals” and “ores”.
Minerals are naturally occurring chemical substances containing metals. They are found in the Earth’s crust and are obtained by mining. Ores are rocks and minerals viable to be used as...
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What is an ore? Where are the ores of metallic minerals generally located?
A rock from which a particular mineral can be profitably extracted is called ore. The ores of metallic minerals are generally located in igneous rocks and metamorphic rocks.
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Distinguish between Ferrous and nonferrous minerals
Ferrous minerals contain iron ore, while non-ferrous minerals do not contain iron ore.
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The Indian Agricultural Research Institute has introduced several cereal and vegetable crops that are nutritionally rich in vitamins and minerals.
Biofortification Objectives : Improving - i) Protein content and quality ii) Oil content and quality iii) Micronutrient and mineral content iv) Vitamin content
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How would you distinguish between a metallic solid and an ionic solid other than by metallic lustre?
Metallic solid conducts electricity in solid state but ionic solid conducts electricity only in solution or in molten state.
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Distinguish between stock and flow. Between net investment and capital, which is a stock and which is a flow?
Stock Flow 1 The variables that are measured at a particular point of time. For example, bank balance as on 1st Oct 2010 is Rs.5000. 1 The variables that are measured over an interval of...
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Why is conservation of minerals important ? How can we conserve minerals?
Conservation of minerals is important for the following reasons: (i) Minerals are exhaustible. (ii) They are limited. (iii) Minerals have manifold uses. (iv) Growth of industrialisation has accelerated the extraction of minerals. We can conserve...
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Which are the two main minerals used to obtain nuclear energy. Name any two states where these minerals are found.
Nuclear or atomic energy is obtained by altering the structure of atoms. When such an alternation is made, much energy is released in the form of heat and this is...
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