MetallurgyHard
Question
Parting of gold may be done with :
Options
A.Sulphuric acid
B.Sodium hydroxide
C.Borax
D.Chlorine (Cl2)
Solution
Gold is not attacked by sulphuric acid, nitric acid and Cl2 use to separate it from borax so, parting of gold can be done with these.
Create a free account to view solution
View Solution FreeMore Metallurgy Questions
Which one of the following metals cannot be extracted by carbon reduction ?...Which of the following are true for electrolytic extraction of aluminium...During extraction of copper, it is obtained in the form of molten matte. Which of the following is not true?...The major role of fluorspar (CaF2) which is added in small quantities in the electrolytic reduction of alumina dissolved...Select the correct statement :...