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What percent of magnesium is used in mold metal reactions?(a) More than 1%(b) More than 2%(c) More than 3%(d) More than 4% |
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Answer» Right option is (a) More than 1% For explanation I would say: In the mold metal reactions, there is extremely less amount of magnesium used. Approximately more than 1% of magnesium is used in the reactions containing light alloys. |
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