SATHEE: Purification And Characterisation Of Organic Compounds Question 195

Purification And Characterisation Of Organic Compounds Question 195

Question: Which one of the following ores is not concentrated by froth floatation process-

Options:

A) Copper pyrites

B) Pyrargyrite

C) Pyrolusite

D) Zinc blende

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Pyrolusite is $ MnO_2 $ .

Hence not concentrated by froth floatation process.

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Purification And Characterisation Of Organic Compounds Question 195

Question: Which one of the following ores is not concentrated by froth floatation process-

Options:

Answer:

Solution:

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