Using Materials (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is corrosion?
What is corrosion?
Metal deterioration by chemical reactions
What does iron need to react with to rust?
What does iron need to react with to rust?
Oxygen and water
What is the chemical name for rust?
What is the chemical name for rust?
Iron oxide
Why is preventing corrosion important?
Why is preventing corrosion important?
Maintains structural integrity
How do protective layers prevent corrosion?
How do protective layers prevent corrosion?
Stop chemical reactions with environment
Why are ship hulls painted?
Why are ship hulls painted?
To stop seawater reaching the metal
What is used in electroplating to coat metal?
What is used in electroplating to coat metal?
An electrical current
What does greasing prevent from reaching metal?
What does greasing prevent from reaching metal?
Moisture and oxygen
What property does aluminium oxide have?
What property does aluminium oxide have?
It is inert
Which metal is used to coat iron in galvanisation?
Which metal is used to coat iron in galvanisation?
Zinc
Why does zinc protect iron from corrosion?
Why does zinc protect iron from corrosion?
Zinc corrodes in preference to iron
What metals is galvanisation commonly used on?
What metals is galvanisation commonly used on?
Iron and steel