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Chemistry The Central Science Study Set 3

Chemistry

Quiz 23 :

Metals and Metallurgy

Quiz 23 :

Metals and Metallurgy

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A small amount of barium chloride solution is added to a blue solution. A white precipitate forms. The blue solution contains
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B

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What is the typical effect of the addition of an interstitial element on the properties of a metal?
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E

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Which one of the following compounds is yellow?
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B

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The lithosphere is the
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What are the products of the following (unbalanced) leaching process? img
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The purpose of burning coke in a blast furnace is
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The purpose of a converter in steel production is
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Why do aqueous solutions of Cr2+ usually appear violet instead of blue?
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A basic slag is needed in steelmaking to
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The undesirable material that is separated from an ore during the concentration process is called )
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The lanthanide contraction is responsible for the fact that
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Which element is typically not added to steel to modify its properties?
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Of the following, which is a bulk property?
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Calcium chloride is added to sodium chloride prior to melting it for electrolysis in a Downs cell )
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A mixture of oxygen and argon are blown through molten iron that is produced in a blast furnace for the purpose of
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Part of the Bayer process involves the digestion of crushed ore in concentrated aqueous sodium hydroxide. This process carried out at high pressure .
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Silicon, doped with a group 5A element forms a(n) - type semiconductor. Silicon doped with a group 3A element forms a(n) - type semiconductor.
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The product in the Hall electrometallurgical process is
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A deposit that contains a metal in economically exploitable quantities is called a(n) _.
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In the Bayer process, what is the product of calcination of the aluminum hydroxide recovered from the digestion in base?
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