Practice Extraction of Crude Metal from Concentrated Ore - 3 | Chapter 6: General Principles and Processes of Isolation | ICSE Class 12 Chemistry
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Practice Questions

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Question 1

Easy

What is the purpose of roasting ores?

💡 Hint: Think about how sulphide ores change when heated.

Question 2

Easy

Define calcination.

💡 Hint: What happens to carbonate ores when heated without air?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the process of converting sulphide ores to oxides called?

  • Calcination
  • Roasting
  • Smelting

💡 Hint: Remember the process used for sulphide ores.

Question 2

True or False: Calcination is used to convert sulphide ores to oxides.

  • True
  • False

💡 Hint: Think about the different types of ores.

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Challenge Problems

Push your limits with challenges.

Question 1

Given that zinc oxide can be reduced with coke, write the equation and explain the significance of this process in metallurgy.

💡 Hint: Focus on the role of coke as a reducing agent.

Question 2

Imagine a scenario where a metal factory is only leveraging one method of reduction. Discuss the pros and cons of using just electrolytic reduction for all metals?

💡 Hint: Think about the efficiency and cost aspects of reduction methods.

Challenge and get performance evaluation