CBSE Class 12 Chemistry 2017 Outside Delhi Set 2 Solved Paper
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Question : 4 of 7
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(a) Write the principle of vapour phase refining.
(b) Write the role of dilute in the extraction of silver.
(c) What is the role of collectors in the froth flotation process ? Give an example of a collector.
(b) Write the role of dilute in the extraction of silver.
(c) What is the role of collectors in the froth flotation process ? Give an example of a collector.
Solution:
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