Given below are two statements:Statement-I: Sphalerite is a sulphide ore of zinc and copper glan....

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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.
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