From low grade ores, copper is extracted by

Question

From low grade ores, copper is extracted by (A) Hydrometallurgy (B) Electrometallurgy (C) Pyrometallurgy (D) All of these

Tardigrade Admin · Accepted Answer

From low grade ore, copper is leached out using acid or bacteria. Solution containing Cu2+ is treated with scrap iron or H2 Cu2+ (aq) + H2(g) arrow Cu(s) + 2H+(aq)

Q. From low grade ores, copper is extracted by

Hydrometallurgy

Electrometallurgy

Pyrometallurgy

All of these

From low grade ore, copper is leached out using acid or bacteria. Solution containing $C u^{2 +}$ is treated with scrap iron or $H_{2}$
$C u^{2 +} (a q) + H_{2} (g) \to C u (s) + 2 H^{+} (a q)$

Q. From low grade ores, copper is extracted by

Hydrometallurgy

Electrometallurgy

Pyrometallurgy

All of these

From low grade ore, copper is leached out using acid or bacteria. Solution containing Cu2+ is treated with scrap iron or H2​ Cu2+(aq)+H2​(g)→Cu(s)+2H+(aq)

From low grade ore, copper is leached out using acid or bacteria. Solution containing $C u^{2 +}$ is treated with scrap iron or $H_{2}$
$C u^{2 +} (a q) + H_{2} (g) \to C u (s) + 2 H^{+} (a q)$