In the Oxygen Furnace, Impurities in Iron Are Removed By

question 54

Multiple Choice

In the oxygen furnace, impurities in iron are removed by:

• A) oxidizing the non-metals such as C, Si and P.
• B) vaporization of the impurities.
• C) precipitation of impurities from aqueous solution.
• D) fractional crystallization.
• E) none of these.

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Grasp the concept and utility of different types of presentations (linear, nonlinear, screencasts, etc.).

Comprehend the steps and strategies in organizing and planning a presentation.

Identify the elements of a successful presentation starting point.