MCQOPTIONS
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| 1. |
Specify the material of construction suitable for handling concentrated HNO3 at 100°C. |
| A. | Tin and wood |
| B. | High silicon iron, Kel-F and teflon |
| C. | Stainless steel |
| D. | Silicone rubber |
| Answer» C. Stainless steel | |