EASY
12th West Bengal Board
IMPORTANT
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Malachite is a mineral containing .

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Important Questions on General Principles and Processes of Isolation of Elements

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 11
The most abundant metal in earth's crust is_____.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 12

In the metallurgical process for the electrorefining of metal, the anode is made up of _____ metal.

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 13
In the thermite process_____is used as reducing agent.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 1
The process of removal of impurities from a crude metal is called 
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 2
The impurities present in the ore when mined are called:
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 3
Calcination and roasting are:
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12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 4
Froth floatation process involves the:
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 5
Which one is true out of the following?