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JEE Main 26-Aug-2021 Shift 2 Solved Paper
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Question : 42
Total: 90
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.
[26 Aug 2021 Shift 2]
Statement I is true but statement II is false.
Both statement I and statement II are true.
Statement I is false but statement II is true.
Both statement I and statement II are false.
Validate
Solution:
Both statements I and II are true.
Sphalerite –ZnS (Sulphide ore of zinc).
Copper glance –
Cu
2
S
(Sulphide ore of copper).
It is possible to separate two sulphide ores by adjusting the proportion of oil to water or by using depressants.
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