Write the chemical reactions involved in the extraction of metallic silver from argentite.

Write and explain the reactions involved in the extraction of gold.

Write the chemical equations for reactions involved in the extraction of copper from copper pyrites.

Write the chemical equations involved in the extraction of lead from galena by self-reduction process.

Write the chemical equations involved in the extraction of lead from galena by self-reduction process.

Write the chemical equations involved in the preparation of elemental boron from mineral colemanite.

Write the chemical reaction involved in the extraction of gold by cyanide process. Also give the role of zinc in the extraction.

Write the chemical reaction involved in the extraction of gold by cyanide process. Also give the role of zinc in the extraction.

Name an important ore of silver. How is silver extracted from its sulphide ore? Give balanced chemical equations involved in the extraction of pure silver.