CBSE Class 12 Chemistry HOTs Isolation of Elements

Refer to CBSE Class 12 Chemistry HOTs Isolation of Elements. We have provided exhaustive High Order Thinking Skills (HOTS) questions and answers for Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements. Designed for the 2025-26 exam session, these expert-curated analytical questions help students master important concepts and stay aligned with the latest CBSE, NCERT, and KVS curriculum.

Unit 6 General Principles and Processes of Isolation of Elements Class 12 Chemistry HOTS with Solutions

Practicing Class 12 Chemistry HOTS Questions is important for scoring high in Chemistry. Use the detailed answers provided below to improve your problem-solving speed and Class 12 exam readiness.

HOTS Questions and Answers for Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements

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UNIT - 6

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

1 Mark questions

1. During metallurgical process, in the extraction of metal, flux is added. Why?

 

2. ‘Reduction of a metal oxide is easier if the metal formed is in liquid state at the temperature of reduction. Why?

 

3. Although thermodynamically feasible, in practice, magnesium metal is not used for the reduction of alumina in the metallurgy of aluminium. Why?

 

4. Can Mg reduce Al2O3 and Al reduces MgO? State the conditions required for this reduction process.

 

2 / 3 Marks Questions

5. At a site, low grade copper ores are available and zinc and iron scraps are also available. Which of the two scraps would be more suitable for reducing the leached copper ore and why?

 

6. The value of DfGo for formation of Cr2O3 is – 540 kJ mol-1 and that of Al2O3 is – 827 kJ mol-1. Is the reduction of Cr2O3 possible with Al?

 

7. Why is zinc not extracted from zinc oxide through reduction using CO?

 

8. Cinnabar (HgS) abd Galena (PbS) on roasting often give their respective metals but Zinc blende (ZnS) does not. Why?

 

9. The choice of a reducing agent in a particular case depends upon thermodynamic factor. How far do you agree with this statement? Explain?

 

10.“The extraction of Ag by leaching with NaCN involves both oxidation and reduction”. Explain?

 

11.Out of C and CO which is a better reducing agent at 673 K?

HOTS for Unit 6 General Principles and Processes of Isolation of Elements Chemistry Class 12

Students can now practice Higher Order Thinking Skills (HOTS) questions for Unit 6 General Principles and Processes of Isolation of Elements to prepare for their upcoming school exams. This study material follows the latest syllabus for Class 12 Chemistry released by CBSE. These solved questions will help you to understand about each topic and also answer difficult questions in your Chemistry test.

NCERT Based Analytical Questions for Unit 6 General Principles and Processes of Isolation of Elements

Our expert teachers have created these Chemistry HOTS by referring to the official NCERT book for Class 12. These solved exercises are great for students who want to become experts in all important topics of the chapter. After attempting these challenging questions should also check their work with our teacher prepared solutions. For a complete understanding, you can also refer to our NCERT solutions for Class 12 Chemistry available on our website.

Master Chemistry for Better Marks

Regular practice of Class 12 HOTS will give you a stronger understanding of all concepts and also help you get more marks in your exams. We have also provided a variety of MCQ questions within these sets to help you easily cover all parts of the chapter. After solving these you should try our online Chemistry MCQ Test to check your speed. All the study resources on studiestoday.com are free and updated for the current academic year.

Where can I download the latest PDF for CBSE Class 12 Chemistry HOTs Isolation of Elements?

You can download the teacher-verified PDF for CBSE Class 12 Chemistry HOTs Isolation of Elements from StudiesToday.com. These questions have been prepared for Class 12 Chemistry to help students learn high-level application and analytical skills required for the 2025-26 exams.

Why are HOTS questions important for the 2026 CBSE exam pattern?

In the 2026 pattern, 50% of the marks are for competency-based questions. Our CBSE Class 12 Chemistry HOTs Isolation of Elements are to apply basic theory to real-world to help Class 12 students to solve case studies and assertion-reasoning questions in Chemistry.

How do CBSE Class 12 Chemistry HOTs Isolation of Elements differ from regular textbook questions?

Unlike direct questions that test memory, CBSE Class 12 Chemistry HOTs Isolation of Elements require out-of-the-box thinking as Class 12 Chemistry HOTS questions focus on understanding data and identifying logical errors.

What is the best way to solve Chemistry HOTS for Class 12?

After reading all conceots in Chemistry, practice CBSE Class 12 Chemistry HOTs Isolation of Elements by breaking down the problem into smaller logical steps.

Are solutions provided for Class 12 Chemistry HOTS questions?

Yes, we provide detailed, step-by-step solutions for CBSE Class 12 Chemistry HOTs Isolation of Elements. These solutions highlight the analytical reasoning and logical steps to help students prepare as per CBSE marking scheme.