23) Which solution is used for pickling of magnesium alloys?
Answer is:
Dilute sulphuric acid
Related Metal treatment, Chemical baths MCQ with Answers
Answer is:
29
Explanation:
Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.