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CGP GCSE Chem > There are Two Main Ways to Prevent Rusting > Flashcards

There are Two Main Ways to Prevent Rusting Flashcards

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1
Q

What is the most obvious way to prevent rusting?

A

Coat the iron with a BARRIER

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2
Q

What are 2 barrier methods?

A
  • Painting/coating with plastic

- oiling/greasing

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3
Q

What is the other way to prevent rusting?

A

The sacrificial method

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4
Q

What does the sacrificial method involve?

A

Placing a more reactive metal with the iron - oxygen and water react with this instead

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5
Q

What is often used as the sacrificial metal?

A

Zinc

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6
Q

What is galvanising?

A

When a coating of zinc is sprayed onto the object

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CGP GCSE Chem (233 decks)

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