21. Which processes are adopted to extract Zn from ZnS ? (A) Only calcination (B) Roasting and electrolytic refining (C) Roasting and calcination (D) Only roasting

Question

21. Which processes are adopted to extract Zn from ZnS ? (A) Only calcination (B) Roasting and electrolytic refining (C) Roasting and calcination (D) Only roasting

21. Which processes are adopted to extract \( Zn \) from \( ZnS \) ? (A) Only calcination (B) Roasting and electrolytic refining (C) Roasting and calcination (D) Only roasting

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct answer is (B) Roasting and electrolytic refining

5 views Answered 2023-02-05 15:29