Metallurgical Process Test Online MCQs Question Answer

Chemistry

1. In a blast furnace, iron oxide is reduced by:

Carbon

Silica

Carbon monoxide

Lime

Question 1 of 15

2.

Forth flotation is used in the metallurgy of:

Carbonate ores

Oxide ores

Chloride ores

Sulphide ores

Question 2 of 15

3. The ores of Ag and Au are concentrated using their solubility in:

KCN

HNO₃

HCl

NH₃

Question 3 of 15

4. When a sulphide ore is roasted, the product obtained is usually:

A metal

An oxide

A sulphite

A nitride

Question 4 of 15

5. The roasting of an ore is carried out in:

The process of O₂ only

The absence of air

An excess of air

A limited supply of air

Question 5 of 15

6. Bauxite has the formula:

Al₂O₃.H₂O

KAlSi₃O₈

Al₂O₃.3H₂O

Al₂O₃.2H₂O

Question 6 of 15

7. Smelting involves the reduction of a metal oxide with:

Carbon

Aluminium

Carbon monoxide

Magnesium

Question 7 of 15

8. Silver is refined by:

Liquation

Van-Arkel method

Poling

Cupellation

Question 8 of 15

9.

The concentration of chromite (FeO.Cr₂O₃) is carried out by:

Roasting

Forth flotation

Magnetic separation

Gravitation separation

Question 9 of 15

10. The most common ore of copper is:

CuCO₃.Cu(OH)₂

Cu₅FeS₄

Cu₂S

CuFeS₂

Question 10 of 15

11. Silver is extracted from its ore using NaCN, air and on active metal. The method is known as the:

Amalgamation process

Parkes process

Pattinson process

Cyanide process

Question 11 of 15

12. Roasting is carried out in:

A blast furnace

An electric furnace

A reverberatory furnace

A muffle furnace

Question 12 of 15

13. The impurities present in a mineral are called:

Alloy

Gangue

Flux

Slag

Question 13 of 15

14. Carborundum is:

Al₂O₃.2H₂O

KAlSi₃O₈

SiC

Al₂O₃

Question 14 of 15

Uncategorized

15.

In forth flotation, the oil used is:

Mustard oil

Coconut oil

Olive oil

Pine oil

Question 15 of 15

Test Name	Metallurgical Process MCQs Test
Subject	Chemistry
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Chemistry Subject Test. All Recruitment tests Prep. B Tech Test Preparation. Engineering Test Prep. Medical Test preparation.

Test By Subject	Chemistry
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Metallurgical Process Test Online MCQs