Class 9 Exam > Class 9 Tests > Isolation Of Elements Practice Quiz - 1 - Class 9 MCQ
Isolation Of Elements Practice Quiz - 1 - Class 9 MCQ
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25 Questions MCQ Test - Isolation Of Elements Practice Quiz - 1
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Isolation Of Elements Practice Quiz - 1 - Question 1
Metals which occur in native state in nature
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Isolation Of Elements Practice Quiz - 1 - Question 3
Which among the following statement is correct?
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Isolation Of Elements Practice Quiz - 1 - Question 4
Which is the most abundant metal on earth?
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Isolation Of Elements Practice Quiz - 1 - Question 5
The impurities associated with ore is known as
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Isolation Of Elements Practice Quiz - 1 - Question 6
Which process is usually applied for separating gangue from sulphide ores?
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Isolation Of Elements Practice Quiz - 1 - Question 7
The impurity that is added externally to remove the impurity already present in the ore is known as
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Isolation Of Elements Practice Quiz - 1 - Question 8
Conversion of ore to oxide is generally carried out by the process of
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Isolation Of Elements Practice Quiz - 1 - Question 10
The process in which the concentrated ore is heated to a high temperature in the absence of air is known as
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Isolation Of Elements Practice Quiz - 1 - Question 11
What is the temperature of zone of slag formation?
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Isolation Of Elements Practice Quiz - 1 - Question 15
The Wilfley table is used in the process of
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Isolation Of Elements Practice Quiz - 1 - Question 16
Which among the following act as flux, if iron oxide is present as an impurity?
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Isolation Of Elements Practice Quiz - 1 - Question 17
Which among the following act as flux, if iron oxide is present as an impurity?
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Isolation Of Elements Practice Quiz - 1 - Question 18
Which of the following metals cannot be extracted by smelting process?
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Isolation Of Elements Practice Quiz - 1 - Question 19
The furnace which gives the highest temperature is
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Isolation Of Elements Practice Quiz - 1 - Question 20
The distillation process is used for the purification of
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Isolation Of Elements Practice Quiz - 1 - Question 21
Metal halides are found in lakes and seas because
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Isolation Of Elements Practice Quiz - 1 - Question 22
In blister copper, the blisters are formed due to passing out of
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Isolation Of Elements Practice Quiz - 1 - Question 23
For obtaining high purity metals, which of the following methods of refining is preferred?
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Isolation Of Elements Practice Quiz - 1 - Question 24
The second most abundant metal on earth’s crust is
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Isolation Of Elements Practice Quiz - 1 - Question 25
Which of the following chemical is used as a depressant in separating ZnS from PbS in froth floatation process?
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