Gunmetal and bronze are not corroded by the action of

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Ram Sharma

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Q. Gunmetal and bronze are not corroded by the action of

(A) Wet chlorine
(B) Synthetic detergent solution
(C) Hydrochloric acid (10%)
(D) Nitric acid (< 25%)

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✅ Correct Answer: (B) Synthetic detergent solution

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