Essential Chemistry for IGCSE - Metals And Reactivity (Section 5 - No. 46)
Which of the following is a property of alloys?
They have a fixed melting point.
They are always pure substances.
They are often harder than the metals they are made from.
They are always less resistant to corrosion than the individual metals.
Explanation
Alloys are often harder than the metals they are made from.
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