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Corrosion And Its Prevention (chemistry Only) (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'Corrosion And Its Prevention (chemistry Only)' from the broader topic Using Resources. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Which engineering design choice reduces galvanic corrosion when using dissimilar metals together?
Which of the following best describes why cathodic areas do not corrode in a rusting cell?
If a steel structure is to be protected in seawater using sacrificial anodes, which property of the anode metal is most important?
Which of these is a correct prevention method for galvanic corrosion in a joint between two dissimilar metals?
What role do corrosion inhibitors play in closed systems (e.g., cooling systems)?
Which environmental factor can make corrosion risk worse for a structure near a road?
Why are chromate salts sometimes used as corrosion inhibitors (though now restricted)?
Why is painting a steel structure useful for corrosion prevention?
Which statement describes anodic and cathodic areas on a corroding metal surface?
Which of the following is a likely effect of scratches and cracks in a protective paint coating on steel?
Which protective method uses a more reactive metal wired to a buried steel pipe so the pipe is protected from corrosion?
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