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Corrosion and Its Control Quiz

Authored by NIK DAUD

Chemistry

12th Grade

Used 1+ times

Corrosion and Its Control Quiz
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of corrosion?

The extraction of metals from ores

The process of metal purification

The formation of metal alloys

The spontaneous destruction of metals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is formed on the surface of iron during rusting?

Zinc carbonate

Silver sulfide

Iron oxide

Copper oxide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following metals is considered a noble metal?

Gold

Copper

Iron

Zinc

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for metallic corrosion?

Metals are always reactive

Metals do not react with the environment

Metals are stable in their pure form

Metals are extracted from ores

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of corrosion occurs in the absence of water?

Dry or chemical corrosion

Galvanic corrosion

Electrochemical corrosion

Biochemical corrosion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a stable oxide layer?

Iron oxide

Lead oxide

Copper oxide

Aluminum oxide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the oxide layer formed on noble metals?

It protects the metal completely

It decomposes back into metal

It becomes stable

It forms a volatile compound

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