Test: Occurrence And Extraction


10 Questions MCQ Test Chemistry Class 12 | Test: Occurrence And Extraction


Description
This mock test of Test: Occurrence And Extraction for Class 12 helps you for every Class 12 entrance exam. This contains 10 Multiple Choice Questions for Class 12 Test: Occurrence And Extraction (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Occurrence And Extraction quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: Occurrence And Extraction exercise for a better result in the exam. You can find other Test: Occurrence And Extraction extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

Cryolite is the chief ore of

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QUESTION: 2

 Composition of Siderite is

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QUESTION: 3

Calamine is the ore of

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QUESTION: 4

Malachite is an ore of:

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QUESTION: 5

When a metal is to be extracted from its ore and if the gangue associated with the ore is silica ,then

Solution:

Correct Answer is option D
 
(Acidic Impurity) SiO2+ (Basic Flux) CaO→ (Slag) CaSiO3

QUESTION: 6

 Roasting is done generally in case of the

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QUESTION: 7

The metal always found in free state is

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QUESTION: 8

Bauxite is the chief ore of:

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QUESTION: 9

Dolomite is a mineral of

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QUESTION: 10

Pyrolusite is a/an

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