General Principles of Metallurgy - Exam Prep for Students

General Principles of Metallurgy - Competitive Exam Level

Q. Which acid is known as the 'king of chemicals' due to its wide range of applications?

Solution

Sulfuric acid is often referred to as the 'king of chemicals' because of its extensive use in various industrial processes.

Correct Answer: A — Sulfuric acid

Q. Which of the following compounds is a Lewis acid?

Solution

Boron trifluoride (BF3) is a Lewis acid because it can accept an electron pair.

Correct Answer: B — BF3

Q. Which of the following metals is extracted using the Hall-Héroult process?

Solution

The Hall-Héroult process is used for the electrolytic reduction of aluminum oxide to produce aluminum.

Correct Answer: B — Aluminum

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