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Isolation Of Elements Practice Quiz - 1 - Class 9 MCQ


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14 Questions MCQ Test - Isolation Of Elements Practice Quiz - 1

Isolation Of Elements Practice Quiz - 1 for Class 9 2024 is part of Class 9 preparation. The Isolation Of Elements Practice Quiz - 1 questions and answers have been prepared according to the Class 9 exam syllabus.The Isolation Of Elements Practice Quiz - 1 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Isolation Of Elements Practice Quiz - 1 below.
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Isolation Of Elements Practice Quiz - 1 - Question 1

Which is the most abundant metal on earth?

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 1

Aluminium is most abundant.

Isolation Of Elements Practice Quiz - 1 - Question 2

The impurities associated with ore is known as

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 2

Gangue are the unwanted particles present with ores.

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Isolation Of Elements Practice Quiz - 1 - Question 3

Which process is usually applied for separating gangue from sulphide ores?

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Sulphide ores are concentrated using Froth floatation.

Isolation Of Elements Practice Quiz - 1 - Question 4

The impurity that is added externally to remove the impurity already present in the ore is known as

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Flux combines with impurities to form Slag which is easily separable.

Isolation Of Elements Practice Quiz - 1 - Question 5

Conversion of ore to oxide is generally carried out by the process of

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Calcination is employed for carbonate ores to convert into respective oxide ores. Roasting is employed for sulphide ores for convertion to oxide ores.

Isolation Of Elements Practice Quiz - 1 - Question 6

Cinnabar is an ore of

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HgS is cinnabar.

Isolation Of Elements Practice Quiz - 1 - Question 7

The Wilfley table is used in the process of

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Wilfley table is used in Hydraulic washing.

Isolation Of Elements Practice Quiz - 1 - Question 8

Which among the following act as flux, if iron oxide is present as an impurity?

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 8

Iron oxide is basic oxide so flux should be acidic.

Isolation Of Elements Practice Quiz - 1 - Question 9

Which among the following act as flux, if iron oxide is present as an impurity?

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 9

Iron oxide is basic oxide so flux should be acidic.

Isolation Of Elements Practice Quiz - 1 - Question 10

The furnace which gives the highest temperature is

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 10

Blast furnance maintains the highest temperature.

Isolation Of Elements Practice Quiz - 1 - Question 11

The distillation process is used for the purification of

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Hg is purified by distillation.

Isolation Of Elements Practice Quiz - 1 - Question 12

In blister copper, the blisters are formed due to passing out of

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The blisters are formed due to passing out of SO2

Isolation Of Elements Practice Quiz - 1 - Question 13

For obtaining high purity metals, which of the following methods of refining is preferred?

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 13

Zone refining is used for refining high purity metals.

Isolation Of Elements Practice Quiz - 1 - Question 14

The second most abundant metal on earth’s crust is

Detailed Solution for Isolation Of Elements Practice Quiz - 1 - Question 14

Iron is 2nd most abundant metal in earth crust.

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