NCERT Grade 12 Chemistry Chapter 6, General Principles and Processes of Isolation of Elements deals with metals and metallurgy. This chapter holds a total weightage of 3 marks in the final examination. After studying this chapter, students will be able to appreciate the contribution of Indian traditions in the metallurgical processes, explain the terms minerals, ores, concentration, benefaction, calcination, roasting, refining, etc.; understand the principles of oxidation and reduction as applied to the extraction procedures; apply the thermodynamic concepts like that of Gibbs energy and entropy to the principles of extraction of Al, Cu, Zn and Fe; explain why reduction of certain oxides like Cu2O is much easier than that of Fe2O3; explain why CO is a favorable reducing agent at certain temperatures while coke is better in some other cases and explain why specific reducing agents are used for the reduction purposes.
Occurrence of Metals, Concentration of Ores, Hydraulic Washing, Magnetic Separation, Froth Floatation Method, Leaching, Extraction of Crude Metal from Concentrated Ore, Thermodynamic Principles of Metallurgy, Applications, Electrochemical Principles of Metallurgy, Oxidation-Reduction, Refining, Uses of Aluminium, Copper, Zinc and Iron are the important topics discussed in NCERT Grade 12 Chemistry Chapter 6, General Principles and Processes of Isolation of Elements.
Get 100 percent accurate NCERT Solutions for Class 12 Chemistry Chapter 6 (General Principles and Processes of Isolation of Elements) solved by expert Chemistry teachers. We provide solutions for questions given in Class 12 Chemistry text-book as per CBSE Board guidelines from the latest NCERT book for Class 12 Chemistry. The topics and sub-topics in Chapter 6 General Principles and Processes of Isolation of Elements are given below.
Ex 6.1 - Occurrence of Metals
Ex 6.2 - Concentration of Ores
Ex 6.2.1 - Hydraulic Washing
Ex 6.2.2 - Magnetic Separation
Ex 6.2.3 - Froth Floatation Method
Ex 6.2.4 - Leaching
Ex 6.3 - Extraction of Crude Metal from Concentrated Ore
Ex 6.4 - Thermodynamic Principles of Metallurgy
Ex 6.4.1 - Applications
Ex 6.5 - Electrochemical Principles of Metallurgy
Ex 6.6 - Oxidation-Reduction
Ex 6.7 - Refining
Ex 6.8 - Uses of Aluminium, Copper, Zinc and Iron.
We cover all exercises in the chapter given below:-
Chapter 6 Exercises - 27 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on General Principles and Processes of Isolation of Elements. Download the free PDF of Chapter 6 General Principles and Processes of Isolation of Elements and take the print out to keep it handy for your exam preparation.