Extraction Of Metals (Chapter Test - Medical)


20 Questions MCQ Test | Extraction Of Metals (Chapter Test - Medical)


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This mock test of Extraction Of Metals (Chapter Test - Medical) for Class 12 helps you for every Class 12 entrance exam. This contains 20 Multiple Choice Questions for Class 12 Extraction Of Metals (Chapter Test - Medical) (mcq) to study with solutions a complete question bank. The solved questions answers in this Extraction Of Metals (Chapter Test - Medical) quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Extraction Of Metals (Chapter Test - Medical) exercise for a better result in the exam. You can find other Extraction Of Metals (Chapter Test - Medical) extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

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QUESTION: 2

The method of  one refining of metals is based upon the principle of

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QUESTION: 3

Which of the following oxides cannot be converted to metal on heating ?

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QUESTION: 4

The slag obtained during the extraction copper from copper pyrites is composed of

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QUESTION: 5

Which of the following is not an ore of magnesium ?

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QUESTION: 6

Which process is used for the extraction of metals from their sulphide ores?

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QUESTION: 7

Which is not employed for refining of metal ?

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QUESTION: 8

The process by which lighter earthly particles are freed from the heavier particles by washing with water is called

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QUESTION: 9

Heating pyrites to remove sulphur is called

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QUESTION: 10

Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false.

I. Every mineral is an ore but every ore is not a mineral.


II. Slag is product formed during extraction of metal by combination of flux and impurities.


III. Highly pure metals can be obtained by zone refining.


IV. Carnallite is an ore of magnesium and sodium.

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QUESTION: 11

Which of the following statements about the advantage of roasting of sulphide ore before reduction is not true ?

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QUESTION: 12

Auto reduction process is used in the extraction of

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QUESTION: 13

Among the following groups of oxides, the group that cannot be reduced by carbon to give the respective
metals is

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QUESTION: 14

Froth floatation process for the concentration of ores is an illustration of the practical application of

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QUESTION: 15

Refining of silver is done by

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QUESTION: 16

Which of the following process is used in the extractive metallurgy of magnesium ?

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QUESTION: 17

Which of the following is used in extractive metallurgy of silver ?

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QUESTION: 18

In electrorefining of copper, some gold is deposited as

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QUESTION: 19

Aluminium is extracted from alumina (Al2O3) by electrolysis of a molten mixture of

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QUESTION: 20

Which of the following statements, regarding the advantage of roasting of sulphide ore before reduction
is not true ?

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