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Alloys As Useful Materials (chemistry Only) (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Alloys As Useful Materials (chemistry Only)' from the broader topic Using Resources. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Solder is a low-melting alloy used to join electrical components. Which statement about solder is correct?
Which of these statements about bronze and brass is correct?
An alloy contains 92.5% iron and 7.5% carbon by mass. What mass of carbon is in 2.0 kg of this alloy?
Why does adding a small amount of carbon to iron (to make steel) increase the hardness of the metal?
Why might a manufacturer choose a copper-beryllium alloy (a costly engineered alloy) for precision springs rather than a cheaper steel?
Which of the following is a key environmental benefit of recycling metal alloys rather than extracting new metal from ore?
A metal alloy used for electrical contacts must have good conductivity and resistance to wear. Which approach is often used?
Which protective method works by sacrificial protection for steel structures like pipelines?
Which statement explains why intermetallic compounds formed in some alloys can make them brittle?
Why are many precision machine parts made from alloys containing small amounts of other elements rather than from pure metals?
Which of these is a disadvantage of using an alloy instead of a pure metal for recycling?