MCQOPTIONS
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MCQOPTIONS
| 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>) | |