Which of the following processes is used to remove reducible oxides from the metal?
Options
A. liquation
B. cupellation
C. poling
D. electro refining
Correct Answer
poling
More questions
1. The powers to legislate with respect to any matter not enumerated in any of the three lists are mentioned as residuary powers. Which of the following is empowered to determine finally as to whether or not a particular matter falls in this category