IGCSE Chemistry Revision Notes
Topic : Metals
Sub Topic:9-3-alloys-and-their-properties
Syllabus Objectives:
CORE:
- Describe an alloy as a mixture of a metal with other elements, including:
- (a) brass as a mixture of copper and zinc
- (b) stainless steel as a mixture of iron and other elements such as chromium, nickel and carbon
- State that alloys can be harder and stronger than the pure metals and are more useful
- Describe the uses of alloys in terms of their physical properties, including stainless steel in cutlery because of its hardness and resistance to rusting 4
- Identify representations of alloys from diagrams of structure
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