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Which one of the following forms of iron can give other forms of iron ?

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Important Questions on General Principles and Processes of Isolation of Elements (Metallurgy)

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which of the following statements is correct during the extraction of copper?

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

During the extraction of copper, the impurity

(FeS)

is removed as slag by mixing the contaminated copper ore with silica and coke. The molecular formula of slag is

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which among the following reactions occurs at zone of slag formation in the process of extraction of iron by blast furnace?

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The process of slow and uniform cooling is known as

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Cast iron is used for the manufacture of :

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The addition of silica during the extraction of copper from its sulphide ore :-

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The magnetite ore is

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

What is flux? Give one example of each of an acidic flux and a basic flux.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Among statements (a) – (d), the correct ones are :
(a) Lime stone is decomposed to

CaO

during the extraction of iron from its oxides.
(b) In the extraction of silver, silver is extracted as an anionic complex.
(c) Nickel is purified by Mond’s process.
(d)

Zr

and

Ti

are purified by Van Arkel method.

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Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Identify the correct statement from the following:

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Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Given below are two statements.

Statement I : Pig iron is obtained by heating cast iron with scrap iron.

Statement II : Pig iron has a relatively lower carbon content than that of cast iron.

In the light of the above statements, choose the correct answer from the options given below.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Extraction of copper by smelting uses silica as an additive to remove.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

In metallurgy the term "gangue" is used for

HARD

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which series of reactions correctly represents the chemical relations related to iron and its compound?

HARD

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The reaction that does NOT takes place in blast furnace between 900K and 1500K temperature range during the extraction of iron is:

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Describe the role of the following: Coke in the extraction of iron from its oxides.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

How would you convert pig iron into cast iron?

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which among following processes occurs at

1500 K

in blast furnace for extraction of iron

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Among the reactions

(a) - (d),

the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are:

(a)

C a O + S i O_{2} \to C a S i O_{3}

(b)

3 F e_{2} O_{3} + C O \to 2 F e_{3} O_{4} + C O_{2}

(c)

F e O + S i O_{2} \to F e S i O_{3}

(d)

F e O \to F e + \frac{1}{2} O_{2}

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The form of iron obtained from blast furnace is :

Which one of the following forms of iron can give other forms of iron ?

Important Questions on General Principles and Processes of Isolation of Elements (Metallurgy)

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