CAIE IGCSE Chemistry Brass and Stainless Steel Alloys

Practise defining an alloy as a mixture and recalling the component elements of brass and stainless steel without describing them as compounds.

Exam points

define an alloy as a mixture of a metal with one or more other elements
identify brass as a mixture of copper and zinc rather than a chemical compound
identify stainless steel as iron mixed with carbon, chromium, nickel or other elements

[Maximum number: 2]

Some elements are shown in the order they appear in the reactivity series. The most reactive element is at the top.
> sodium calcium magnesium aluminium zinc iron hydrogen copper

(a)

Answer the questions using the list of elements. Each element may be used once, more than once or not at all.

Identify:

[ 2 ]

(i)

the main component of steel

[ 1 ]

(ii)

a metal found in brass

[ 1 ]

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9.3.1—An alloy as a mixture of a metal with question 1

Question (a)

Question (i)

Question (ii)