The process of the extraction of gold involves:

The process used for the extraction of gold is

The cyanide process of gold extraction involves leaching out gold from its ore with CN^(-) in the presence of Q in water to form R . Subsequently , R is treated with T to obtain Au and Z. Choose the correct option (s)

Write the chemical reactions involved in the process of extraction of gold. Explain the role of dilute NaCN and Zn in this process.