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 reactions involved in the extraction of gold by cyanide process. Also give the role of zinc in the extraction.

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

Write the chemical reactions involved in the extraction gold using sodium cyanide.

Write the equations involved in the extraction of gold by cyanide process. Mention the role of Zn.

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

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

(a) Write the chemical reactions involved in the exraction of gold using sodium cyanide.