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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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Analyzing +4 | -1
Assertion (A) Carbonate and hydroxide ores are concentrated by frothfloatation process.

Reason (R) In froth floatation process, mineral oil is used due to itpreferentially wets the gangue particles.
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Correct option: D
If both Assertion and Reason and false.
Option D (If both Assertion and Reason and false) is correct because Carbonate and hydroxide ores are not concentrated by froth floatation, and mineral oil preferentially wets the ore particles, not gangue.

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