corrosion
Exposure to the environment can damage materials. This topic is part of Chemistry within Science & Nature. This page currently draws on 16 supporting questions, with answers and bonus facts available below.
corrosion trivia questions
Corrosion is the gradual chemical deterioration of what?
Answer: Materials, especially metals
Bonus fact: Exposure to the environment can damage materials.
What common form of corrosion affects iron?
Answer: Rusting
Bonus fact: Iron oxide compounds form in the presence of oxygen and moisture.
Why can sacrificial zinc protect steel from corrosion?
Answer: Zinc oxidizes preferentially
Bonus fact: Galvanic protection makes zinc the sacrificial metal.
Which property generally makes bronze more resistant to corrosion than ordinary iron?
Answer: It forms more protective corrosion products
Bonus fact: Bronze often withstands atmospheric and marine corrosion better than unprotected iron.
Nickel is commonly added to steel to improve properties such as corrosion resistance and what?
Answer: Toughness
Bonus fact: Nickel is important in many stainless and alloy steels.
What element is added to many stainless steels to improve corrosion resistance?
Answer: Chromium
Bonus fact: Chromium forms a protective oxide layer.
What protective layer gives titanium excellent corrosion resistance?
Answer: Titanium oxide
Bonus fact: A thin oxide film forms naturally.
Which element gives stainless steel much of its corrosion resistance?
Answer: Chromium
Bonus fact: Chromium forms a thin protective oxide layer.
Stainless steel contains at least about 10.5% of which element to provide its characteristic corrosion resistance?
Answer: Chromium
Bonus fact: Iron accounts for the great majority of refined metal production worldwide.
Rusting is the corrosion of which metal?
Answer: Iron
Bonus fact: Rust is made largely of hydrated iron oxides.
Zinc is commonly used to coat iron or steel to prevent what?
Answer: Rust
Bonus fact: Galvanizing protects steel from corrosion.
Why are alloys often used instead of pure metals?
Answer: They can have improved properties
Bonus fact: Strength, corrosion resistance, and hardness can be tailored.