

MCQOPTIONS
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1. |
Which of the following acid that results in selective removal of aluminum in aluminum bronzes? |
A. | Hydrochloric acid (HCl) |
B. | Hydrofluoric acid (HF) |
C. | Nitric acid (HNO<sub>3</sub>) |
D. | Hydrochloric, hydrofluoric and nitric acid |
Answer» C. Nitric acid (HNO<sub>3</sub>) | |