Q. Which metal makes steel corrosion resistant? (Solved)
1. Copper and selenium
2. Tantalum and molybdenum
3. Chromium and Nickel
4. Titanium and Niobium
- c. Chromium and Nickel
1. Copper and selenium
2. Tantalum and molybdenum
3. Chromium and Nickel
4. Titanium and Niobium