Question

Cyanide process is used in the extraction of

Solution

Correct option is

Au and Ag

Cyanide process is used in the extraction of both silver and gold because these form complex salts with CN ion due to presence of lone pair of electron on nitrogen atom. 

SIMILAR QUESTIONS

Q1

All ores are minerals, while all minerals are not ores because

Q2

Which one of the following is correct?   

Q3

Which of the following metal is sometimes found native in nature?

Q4

Which of the following is a carbonate ore?  

Q5

Which of the following ores does not represent the ores of iron?

Q6

Thomas slag is

Q7

Metal occur in the native from because of their

Q8

Sulphide ores are generally concentrated by

Q9

The substance added in water in the froth floatation process is

Q10

Froth floatation process for the concentration of the ores is an illustration of the practical application of