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Metallurgy

Authored by Aditya Umrigar

Chemistry, Science

10th Grade

Used 575+ times

Metallurgy
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main ore of aluminum?

Al2O3.n H2O

Al2SO4.n H2O

Al(OH)3.n H2O

Al3O4.n H2O

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select all that apply:


Which of the following are the steps involved in Electrolytic Reduction of Alumina?

Addition of Cryolite and Flourspar

Replacement of cathode

Replacement of anodes

Formation of aluminum at cathode

Formation of carbon dioxide at anode

3.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

In Bayer's Process impurities like __________ are removed when the ore is reacted with concentrated caustic soda.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sulphide ores are concentrated using ______ method.

Wilfley Table

Hydraulic Separation

Magnetic Separation

Froth Floatation

Leaching

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carbonate ores are first ____________ and converted into oxide ores.

Roasted

Calcinated

Combusted

Neutralized

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all that apply:


Impurities present in bauxite are:

Copper pyrite

Ferrous tungstate

Silica

Ferric oxide

Titanium oxide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Identify the diagram:

Separation based on gravity

Magnetic separation

Forth floatation

Leaching

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