Q521
Open questionAn alloy used in making heating elements for electric heating device is
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Q522
Open questionWhich of the following is an iron ore ?
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Q523
Open questionThe important metal used with iron to produce stainless steel is
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Q524
Open questionWhich of the following metals form an amalgam with other metals ?
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Q525
Open question________ gives hardness to stainless steel.
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Q526
Open questionBauxite is used as raw material by which industry ?
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Q527
Open questionBrass contains
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Q528
Open questionBrass is a
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Q529
Open questionBrass is an alloy of
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Q530
Open questionBrass is an alloy of :
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Q531
Open questionBrass is made of
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Q532
Open questionBridgmanite is
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Q533
Open questionBronze is an alloy of
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Q534
Open questionPercentage of carbon in steel ranges from
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Q535
Open questionCopper is refined by
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Q536
Open questionFroth floatation process to concentrate the minerals is applicable to
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Q537
Open questionChemical name of Gammaxane is
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Q538
Open questionEpsom salt is used
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Q539
Open questionThe metal extracted from Bauxite is :
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Q540
Open questionAmong the following iron ores, the highest percentage of iron content is found in–
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