MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following corrosion contaminant will act as a protective layer? |
| A. | AgCl |
| B. | SnCl<sub>2</sub> |
| C. | Fe<sub>2</sub>O<sub>3</sub> |
| D. | CaO |
| Answer» B. SnCl<sub>2</sub> | |