What is the primary reason for roasting zinc sulphide (ZnS) before reduction?

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Chemistry · Metallurgy

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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To convert it into a zinc oxide which is more easily reducible

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Answer 1

To increase its chemical reactivity

Answer 2

To directly obtain pure metallic zinc

Answer 3

To convert it into a zinc oxide which is more easily reducible

Answer 4

To remove volatile silica impurities

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