Using Materials (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the main chemicals that cause metals to corrode?
What are the main chemicals that cause metals to corrode?
Oxygen and water
What is the specific name for corrosion of iron or steel?
What is the specific name for corrosion of iron or steel?
Rusting
What is the chemical formula of rust?
What is the chemical formula of rust?
What does iron need to rust?
What does iron need to rust?
Both air and water
In the rusting experiment, which tube showed rust?
In the rusting experiment, which tube showed rust?
Tube 3 with air and water
Why doesn't aluminium corrode easily?
Why doesn't aluminium corrode easily?
It has a natural protective coating
Which method prevents corrosion by using a more reactive metal?
Which method prevents corrosion by using a more reactive metal?
Galvanising
Why are steel food cans covered with tin?
Why are steel food cans covered with tin?
To prevent corrosion and contamination
What is sacrificial protection?
What is sacrificial protection?
A reactive metal corrodes instead of iron
What is galvanising?
What is galvanising?
Covering iron with zinc
Why does galvanising still work when the zinc coating is scratched?
Why does galvanising still work when the zinc coating is scratched?
Zinc is more reactive than iron
Which metal would protect iron using sacrificial protection?
Which metal would protect iron using sacrificial protection?
Magnesium