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What is metallurgy?

Important Questions on Metallurgy

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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Pyrolusite ore is:
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Why are metallic ores converted into oxide usually?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Write the name and chemical formula of one ore of zinc,
Define: Quaternary ammonium salt.
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals

Explain the following:

Metallurgy

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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Oxidation state of copper is +1 in
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Write ores with formulae of the following metals: Iron
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
What are “minerals” and “ores” ? Differentiate between them.
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Write the name and formula of the chief ore of Aluminium.
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Which one is not correctly matched?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
What is the role of silica in the metallurgy of copper?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Define ore and minerals.
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Assertion: For the extraction of iron, haematite ore is used.
Reason: Haematite is a carbonate ore of iron.
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Which one is the ore of copper?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Write ores with formulae of the following metals: Aluminium
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Calamine is an ore of
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals

Differentiate the following-

Ores and Minerals

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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Give the reactions for the preparation of cast iron?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Given below are two statements:
Statement I : Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper.
Statement II : It is possible to separate two sulphide ores by adjusting proportion of oil to water or by using 'depressants' in a froth flotation method.
Choose the most appropriate answer from the options given below :
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
Which of the following is not an oxide ore?
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Science>Chemistry>Metallurgy>Common Processes Used in Extraction of Metals
"Metals are usually not found as nitrates in their ores".

Out of the following two (a and b) reasons which is or are true for the above observation?

(a)  Metal nitrates are highly unstable.

(b) Metal nitrates are highly soluble in water.