Please select a subject first
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Write the name.
The process of extraction of aluminium from alumina-
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The lens of the eye is flattened when looking at nearby objects.
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Mercury, silver, gold are highly reactive metals.
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In the electrolytic method, a layer of highly active metal is applied to a less active metal.
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In the electrolytic reduction of alumina, the lining of graphite acts as an anode.
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The electrolysis of alumina involves the use of fluorspar and cryolite to increase the melting point.
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Gold and silver are active metals.
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Bauxite reacts with sodium hydroxide in the Bayer’s process.
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Write an Explanation.
Endothermic reaction
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Identify who I am!
Ore of Aluminum- ______
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Write scientific reason.
Nearsightedness, this defect can be corrected by using spectacles with concave lens.
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Classify the following reaction into Exothermic and Endothermic reactions.
Magnesium ribbon when burned in air, it forms magnesium oxide.
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Write the molecular formulae of the following compound.
Cryolite
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Write the molecular formulae of the following compound.
Fluorspar
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Write the molecular formulae of the following compound.
Sodium aluminate
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Explain the concept of Roasting.
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Explain the concept of Calcination.
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Explain the reactions of nonmetals with water with the help of examples.
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Explain the characteristics of ionic compounds.
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