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Roasting is a process in which, ores are heated in the:

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Important Questions on General Principles and Processes of Isolation of Elements

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 9
The role of calcination in metallurgical operations is to:
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 10
Which one of the following reactions is an example for calcination process?
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 13
In metallurgy, flux is a substance used to convert:
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 14
Which of the following is NOT an alkaline flux?
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 20
Liquation process for refining of crude metal is used when
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 21
During the process of polling,
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 23
Inert atmosphere of argon is used during zone refining to prevent
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - General Principles and Processes of Isolation of Elements>Critical Thinking>Q 24
Gallium arsenide is purified by: