MEDIUM
Chemistry
IMPORTANT
Earn 100
Which of the following reactions is/are the main reaction during partial roasting of chalcopyrite in a blast furnace?
50% studentsanswered this correctly
Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)
MEDIUM
Chemistry
IMPORTANT
Select the steps which is/are involved in the extraction of from its low-grade ore.
EASY
Chemistry
IMPORTANT
Which of the following step(s) is/are involved in the extraction of pure copper from its copper pyrites?
HARD
Chemistry
IMPORTANT
In the leaching of gold by cyanide process the following reactions take place:
Identify the correct statements w.r.t. the stoichiometric coefficients when these reactions are balanced using simplest natural numbers:
HARD
Chemistry
IMPORTANT
Step(s) which is/are involved in the extraction of metal from zinc blende is/are:
MEDIUM
Chemistry
IMPORTANT
The term calcination is used to denote:
HARD
Chemistry
IMPORTANT
Which of the following ores can be described as more than one type of ore? (Example: Bauxite ore is treated as both oxide as well as hydroxide ore)
EASY
Chemistry
IMPORTANT
Identify how many "Ore names", "Type of Anion", "Metal(s) present in mineral" are correctly related
MEDIUM
Chemistry
IMPORTANT
In the Ellingham diagram for the solid metals and , gaseous oxides and are:
