A. chromium and nickel
B. sulphur, phosphorus, lead
C. vanadium, aluminium
D. tungsten, molybdenum, vanadium, chromium
E. zinc
Correct Answer: chromium and nickel ✔
Last Updated: May 18, 2023
A. chromium and nickel
B. sulphur, phosphorus, lead
C. vanadium, aluminium
D. tungsten, molybdenum, vanadium, chromium
E. zinc
Correct Answer: chromium and nickel ✔
Last Updated: May 18, 2023