General Principles and Processes of Isolation of Metals - 2 - JEE MCQ
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30 Questions MCQ Test - General Principles and Processes of Isolation of Metals - 2
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General Principles and Processes of Isolation of Metals - 2 - Question 5
Assertion : For the extraction of iron, haematite ore is used.
Reason : Haematite is a carbonate ore fo iron.
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General Principles and Processes of Isolation of Metals - 2 - Question 6
Match column (I) with column (II) and select the correct answer using codes given below in the lists.
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General Principles and Processes of Isolation of Metals - 2 - Question 7
The chemical processes in the production of steel from haematite ore involve :
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General Principles and Processes of Isolation of Metals - 2 - Question 9
Which does not represent correct method ?
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General Principles and Processes of Isolation of Metals - 2 - Question 10
Match List-I with List-II and select the correct answer using the codes given below the lists.
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General Principles and Processes of Isolation of Metals - 2 - Question 13
Main function of frothers is:
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General Principles and Processes of Isolation of Metals - 2 - Question 15
With respect to an ore, Ellingham diagram helps to predict the feasibility of its -
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General Principles and Processes of Isolation of Metals - 2 - Question 16
Among the following statements, the incorrect one is :
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General Principles and Processes of Isolation of Metals - 2 - Question 18
Main function of frothers is:
General Principles and Processes of Isolation of Metals - 2 - Question 19
Which does not represent correct method ?
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General Principles and Processes of Isolation of Metals - 2 - Question 20
The one that is not a carbonate ore is :
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General Principles and Processes of Isolation of Metals - 2 - Question 26
NaCN is sometimes added in the froth flotation process as a depressant when ZnS and PbS minerals are expected because :
Detailed Solution for General Principles and Processes of Isolation of Metals - 2 - Question 26
General Principles and Processes of Isolation of Metals - 2 - Question 27
The chemical composition of “slag“ formed during the smelting process in the extraction of copper is :
Detailed Solution for General Principles and Processes of Isolation of Metals - 2 - Question 27
Detailed Solution for General Principles and Processes of Isolation of Metals - 2 - Question 28
General Principles and Processes of Isolation of Metals - 2 - Question 29
Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron ?
General Principles and Processes of Isolation of Metals - 2 - Question 30
When haematite ore is burnt in air with coke along with lime at 200°C, the process not only produces steel but also produces an important compound (A), which is useful in making building materials. The compound (A) is
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