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Chemistry Part-I

General Principles and Processes of Isolation of Elements

State the role of silica in the metallurgy of copper.

Chemistry Part-I

Class 12

NCERT

Chapter 1: The Solid State

31 questions

Chapter 2: Solutions

54 questions

Chapter 3: Electrochemistry

28 questions

Chapter 4: Chemical Kinetics

40 questions

Chapter 5: Surface Chemistry

27 questions

Chapter 6: General Principles and Processes of Isolation of Elements

30 questions

Write chemical reactions taking place in the extraction of zinc from zinc blende.

State the role of silica in the metallurgy of copper.

What criterion is followed for the selection of the stationary phase in chromatography?

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Chapter 7: The p-Block Elements

62 questions

Chapter 8: The d-and f-Block Elements

48 questions

Chapter 9: Coordination Compounds

38 questions

Question

Easy

Solving time: 1 mins

State the role of silica in the metallurgy of copper.

Name: Video solution 1: [Solved] State the role of silica in the metallurgy of copper. - Chemistry Part-I
Uploaded: 2023-03-01T16:37:53.000Z
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Description: Video solution 1: [Solved] State the role of silica in the metallurgy of copper. - Chemistry Part-I

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Chemistry Part-I (NCERT)

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Text solutionVerified

During roasting, copper pyrites give

F e O

and

C u_{2} O

2 C u F e S_{2} + O_{2} Δ C u_{2} S + 2 F e S + S O_{2}

2 C u_{2} S + 3 O_{2} Δ 2 C u_{2} O + 2 S O_{2}

2 F e S + 3 O_{2} \to 2 F e O + 2 S O_{2}

Roasted ore is then mixed with silica (acidic flux) and heated to remove

F e O

(basic) as a slag of iron silicate.

F e O + S i O_{2} \to F e S i O_{3}

Lighter slag forms upper layer and is removed through slag hole.

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Write chemical reactions taking place in the extraction of zinc from zinc blende.

State the role of silica in the metallurgy of copper.

What criterion is followed for the selection of the stationary phase in chromatography?

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Question Text	State the role of silica in the metallurgy of copper.
Updated On	Mar 1, 2023
Topic	General Principles and Processes of Isolation of Elements
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 1
Upvotes	81
Avg. Video Duration	1 min

State the role of silica in the metallurgy of copper.

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