A) If both Assertion and Reason are true and Reason is correct explanation of Assertion.
B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) If Assertion is true but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: D
Solution :
Instead of corbonate and hydroxide ions, sulphide ores are concentrated by froth-floatation process. In this process, pine oil preferentially wets the ore particles.You need to login to perform this action.
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