Alloys and Their Properties
Chemistry ⇒ Metals and Non-metals
Alloys and Their Properties starts at 9 and continues till grade 12.
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See sample questions for grade 11
A student is given two samples: one of pure copper and one of brass. The student notices that brass is harder and more resistant to corrosion. Explain why this is the case.
Describe how the process of alloying can affect the malleability of a metal.
Describe one reason why alloys are used instead of pure metals in making coins.
Describe the difference between a substitutional alloy and an interstitial alloy.
Explain why adding carbon to iron produces steel with different properties.
Explain why alloys are often more resistant to corrosion than pure metals.
Explain why pure gold is not used for making jewelry.
Name one use of the alloy brass.
Name the alloy formed by mixing mercury with another metal.
