Please refer to CBSE Class 12 Chemistry HOTs Isolation of Elements. Download HOTS questions and answers for Class 12 Chemistry. Read CBSE Class 12 Chemistry HOTs for Unit 6 General Principles and Processes of Isolation of Elements below and download in pdf. High Order Thinking Skills questions come in exams for Chemistry in Class 12 and if prepared properly can help you to score more marks. You can refer to more chapter wise Class 12 Chemistry HOTS Questions with solutions and also get latest topic wise important study material as per NCERT book for Class 12 Chemistry and all other subjects for free on Studiestoday designed as per latest CBSE, NCERT and KVS syllabus and pattern for Class 12
Unit 6 General Principles and Processes of Isolation of Elements Class 12 Chemistry HOTS
Class 12 Chemistry students should refer to the following high order thinking skills questions with answers for Unit 6 General Principles and Processes of Isolation of Elements in Class 12. These HOTS questions with answers for Class 12 Chemistry will come in exams and help you to score good marks
HOTS Questions Unit 6 General Principles and Processes of Isolation of Elements Class 12 Chemistry with Answers
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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?
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HOTS for Unit 6 General Principles and Processes of Isolation of Elements Chemistry Class 12
Expert teachers of studiestoday have referred to NCERT book for Class 12 Chemistry to develop the Chemistry Class 12 HOTS. If you download HOTS with answers for the above chapter you will get higher and better marks in Class 12 test and exams in the current year as you will be able to have stronger understanding of all concepts. High Order Thinking Skills questions practice of Chemistry and its study material will help students to have stronger understanding of all concepts and also make them expert on all critical topics. You can easily download and save all HOTS for Class 12 Chemistry also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the HOTS which have been developed as per latest course books also refer to the NCERT solutions for Class 12 Chemistry designed by our teachers. We have also provided lot of MCQ questions for Class 12 Chemistry in the HOTS so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 12 Chemistry MCQ Test for the same chapter
You can download the CBSE HOTS for Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements for latest session from StudiesToday.com
Yes, the HOTS issued by CBSE for Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements have been made available here for latest academic session
HOTS stands for "Higher Order Thinking Skills" in Unit 6 General Principles and Processes of Isolation of Elements Class 12 Chemistry. It refers to questions that require critical thinking, analysis, and application of knowledge
Regular revision of HOTS given on studiestoday for Class 12 subject Chemistry Unit 6 General Principles and Processes of Isolation of Elements can help you to score better marks in exams
Yes, HOTS questions are important for Unit 6 General Principles and Processes of Isolation of Elements Class 12 Chemistry exams as it helps to assess your ability to think critically, apply concepts, and display understanding of the subject.