A Basic Slag Is Needed in Steelmaking to

question 3

Multiple Choice

A basic slag is needed in steelmaking to

• A) remove SiO₂ as silicates.
• B) reduce any nitrogen- containing compounds to N₂.
• C) oxidize any carbon- containing compounds to CO₂.
• D) react with any BrØnsted- Lowry acids present.
• E) provide CaO to remove phosphorus oxides as Ca₃(PO₄)₂.

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Definitions:

Helper Class

A class that provides additional functionality or utility methods, designed to assist in the operations of another class or classes.

Interface

In programming, a contract or a set of methods that a class can implement to agree to behave in a certain way.

Extends

A keyword in Java and other programming languages used to inherit properties and methods from one class to another.

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A keyword in many programming languages used to specify that a class is going to use the interface(s) declared methods.