General Principles and Processes of Isolation of Elements
Assertion :Oxide ores are concentrated by forth floatation process.
Reason :In forth floation process, mineral oil is used.
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Correct Answer: Option(d)
Solution: Genreally sulphide ores are concentrated by the forth flotation process. Pine oil is used in the forth flotation process because it preferentially wets the ore particles. So both the assertion and reason are incorrect. So the correct option is D