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Earn 100

Define sulphide ores.

Important Questions on Metallurgy

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Science>Chemistry>Metallurgy>Occurence of Metals
Define oxide ores.
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Science>Chemistry>Metallurgy>Occurence of Metals
Process of extracting metal from its ore is termed as-
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Science>Chemistry>Metallurgy>Occurence of Metals
Titanium containing mineral found in our country is:
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Science>Chemistry>Metallurgy>Occurence of Metals
The salt which is least likely to be found in minerals is 
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Science>Chemistry>Metallurgy>Occurence of Metals
The natural material from which an element can be extracted economically is called -
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Science>Chemistry>Metallurgy>Occurence of Metals
Which of the following examples is not correctly matched?
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Science>Chemistry>Metallurgy>Occurence of Metals
Give examples of oxide ores.
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Science>Chemistry>Metallurgy>Occurence of Metals
Which of the technique is not involved in extraction of metals from ore?
HARD
Science>Chemistry>Metallurgy>Occurence of Metals
An example of halide ore is -
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Science>Chemistry>Metallurgy>Occurence of Metals
Cassiterite is an ore of
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Science>Chemistry>Metallurgy>Occurence of Metals
Sulphide ores are common for the metals _____.
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Science>Chemistry>Metallurgy>Occurence of Metals
A number of elements are available in earth’s crust but most abundant elements are _____.
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Science>Chemistry>Metallurgy>Occurence of Metals
Pyrolusite is
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Science>Chemistry>Metallurgy>Occurence of Metals
Oxidation states of the metal in the minerals haematite and magnetite, respectively.
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Science>Chemistry>Metallurgy>Occurence of Metals
The metal which can be extracted simply by heating the cinnabar ore in air is:
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Science>Chemistry>Metallurgy>Occurence of Metals
Which of the following is not the correct name of the formula of the ore given with it?
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Science>Chemistry>Metallurgy>Occurence of Metals

Zn, Fe and Pb are found in the Earth's crust in the form of: 

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Science>Chemistry>Metallurgy>Occurence of Metals
Which of the following is an ore of mercury?
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Science>Chemistry>Metallurgy>Occurence of Metals
Which reducing agent can be used in the isolation of Mn from MnO2?
EASY
Science>Chemistry>Metallurgy>Occurence of Metals
A number of elements are available in earth’s crust but most abundant elements are _____.