CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set E

Read and download free pdf of CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set E. Download printable Chemistry Class 12 Worksheets in pdf format, CBSE Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Chemistry Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

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

Class 12 Chemistry students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Chemistry will be very useful for tests and exams and help you to score better marks

Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements Worksheet Pdf

General Principles and Processes of Isolation of Elements
 
1. Out of C and CO, which is a better reducing agent at 673 K? (2013)
 
2. Describe the role of
a) Iodine in the refining of titanium. (2010)
b) Collector in the froth floatation process. (2012)
 
3. Describe how the following changes are brought out:
a) Pig iron into steel
b) Zinc oxide into zinc metal. (2010)
 
4. Differentiate between
a) Calcination and roasting
b) Electrolytic reduction and electrolytic refining
c) Flux and slag
 
5. Write the chemical reactions which take place in the following operations:
a) Electrolytic reduction of Al2O3.
b) Isolation of Zn from zinc blende.
c) Mond’s process for refining of Ni.
 
6. Give reasons:
a) Copper matte is put in silica lined convertor.
b) Cryolite is added to alumina during electrolytic reduction.
c) Pine oil is used in the froth floatation process
 
7. a) Name the method used for the refining of titanium.
b) What is the role of Zn in the extraction of silver?
c) Reduction of metal oxide to metal becomes easier if the metal obtained is in liquid state. Why? (2015)


Please click on below link to download CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set A

CBSE Class 12 Chemistry Unit 6 General Principles and Processes of Isolation of Elements Worksheet

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Unit 6 General Principles and Processes of Isolation of Elements worksheet Chemistry CBSE Class 12

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Unit 6 General Principles and Processes of Isolation of Elements CBSE Class 12 Chemistry Worksheet

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

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