JEE · NEET Previous Year Question
Given below are two statements :
Statement I: Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper.
Statement II: It is possible to separate two sulphide ores by adjusting proportion of oil to water or by using'depressants' in a froth flotation method.
Choose the most appropriate answer from the options given below :
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- AStatement I is true but Statement II is false.
- BBoth Statement I and Statement II are true.
- CStatement I is false but Statement II is true.
- DBoth Statement I and are Statement II false.
Correct answer: B
Solution
(b)Sphalerite−ZnS, copper glance −S two sulphide ores can be separated by adjusting proportions of oil to water or by using ' Depressants '.
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