Which of the Following Statements About the Corrosion of Iron

question 98

Multiple Choice

Which of the following statements about the corrosion of iron and aluminum is correct?

• A) Aluminum reacts with oxygen to form an Al₂O₃ coating, which can flake off easily and allow more aluminum to undergo corrosion.
• B) Iron reacts with oxygen to form an Fe₂O₃ coating, which can flake off easily and allow more iron to undergo corrosion.
• C) Both aluminum and iron react with oxygen to form oxides which are hard and protect the metal from corrosion.
• D) Aluminum corrodes more rapidly than iron does because it is lighter.

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Definitions:

Oral Stage

A developmental phase in psychoanalytic theory during which an infant's pleasure is focused on oral activities such as sucking and biting.

Latency Stage

A stage in psychosexual development proposed by Freud, occurring between ages 5 and puberty, where sexual feelings are dormant.

Anal Stage

The second stage in Freud's psychosexual development theory, focusing on toilet training and control over bodily wastes.

Genital Stage

A stage in Freud's psychosexual development theory occurring from puberty onwards, focused on mature sexual interests.