MCQOPTIONS
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| 1. |
What is Silica Fume? |
| A. | Silica fume is a byproduct of producing silicon metal or ferrosilicon alloys |
| B. | Silica fume is a mono product of producing silicon metal or ferrosilicon alloys |
| C. | Most commonly found in nature as quartz and in various living organisms |
| D. | Hydrocarbon combustion affords the two principal carbon oxides: carbon monoxide and carbon dioxide |
| Answer» B. Silica fume is a mono product of producing silicon metal or ferrosilicon alloys | |