0
Attempted
14
Not Attempted
0
Marked For Review
0
Attempted & Reviewed
Which of the following statements is/are not correct?
- Mn metal is used as a scavenger in making steel.
- All known isotopes of Tc are radioactive, except Tc98.
- Re is used in the making of electric furnace windings and spectrophotometer filaments.
Select Your Answer:
All Questions
Attempted
Not Attempted
Marked for Review
Attempted & Reviewed
Current