Metallurgy OF Silver and Gold

Metallurgy OF Silver (Ag)

What is the hydrometallurgy of silver or gold commonly known as ?

Mercury, silver and gold are very reactive metals.

Give reason: Metals like palladium, silver and gold are used to make jewellery

Mercury, silver and gold are very reactive metals.True/ false

(a) Which solution is used for the leaching of silver metal in the presence of air in the metallurgy of silver ? (b) Out of C and CO, which is a better reducing agent at the lower temperature rangein the blast furnace to extract iron form the oxide ore ?

Assertion : Gold and silver are extracted from their native ores by leaching. Reason : Both silver and gold particles dissolve in dilute solution of sodium cyanide in presence of oxygen.