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What is the primary purpose of roasting in metallurgy?

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Question: What is the primary purpose of roasting in metallurgy?

Options:

  1. To reduce metal oxides
  2. To remove impurities
  3. To convert sulfide ores to oxides
  4. To increase metal yield

Correct Answer: To convert sulfide ores to oxides

Solution: 

Roasting is used to convert sulfide ores into oxides, making them easier to reduce.

What is the primary purpose of roasting in metallurgy?

Practice Questions

Q1
What is the primary purpose of roasting in metallurgy?
  1. To reduce metal oxides
  2. To remove impurities
  3. To convert sulfide ores to oxides
  4. To increase metal yield

Questions & Step-by-Step Solutions

What is the primary purpose of roasting in metallurgy?
  • Step 1: Understand that roasting is a process used in metallurgy.
  • Step 2: Know that it involves heating sulfide ores in the presence of oxygen.
  • Step 3: Recognize that the main goal of roasting is to convert sulfide ores into oxides.
  • Step 4: Realize that oxides are easier to reduce than sulfides.
  • Step 5: Conclude that roasting helps prepare the ore for further processing to extract metals.
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