Gunmetal and bronze are not corroded by the action of__________________?
Correct answer: D. Synthetic detergent solution
- A. Wet chlorine
- B. Nitric acid (< 25%)
- C. Hydrochloric acid (10%)
- D. Synthetic detergent solution
Explanation
Synthetic detergent solutions are generally not strongly corrosive to copper alloys such as gunmetal and bronze. Wet chlorine and mineral acids can attack these alloys, especially hydrochloric and nitric acids.
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