Unit I: Metallurgy - Online Test
Q1. Bauxite has the composition
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Roasting of sulphide ore
gives the gas (A).(A) is a colourless gas. Aqueous solution of (A) is acidic.
The gas (A) is
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. Which one of the following reaction represents calcinations?
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. The metal oxide which cannot be reduced to metal by carbon is
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. Which of the metal is extracted by Hall-Heroult process?
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. Match items in column - I
with the items of column – II and assign the correct code.
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. Wolframite ore is separated from tinstone by the process of
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. Which one of the following is not feasible
Answer : Option B
Explaination / Solution:
No Explaination.
Q10. Electrochemical process is used to extract
Answer : Option C
Explaination / Solution:
No Explaination.
