Multiple Choice Question (MCQ)
Question: What is the range value of chromic acid used for high speed hard chromium plating solution?
A.
100 g/l to 150 g/l
B.
200 g/l to 225 g/l
C.
250 g/l to 300 g/l
D.
300 g/l to 325 g/l
Correct Answer: 250 g/l to 300 g/l