Question
Download Solution PDFHow can aluminum be identified visually in a group of workpieces made of aluminium, brass, copper and mild steel?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- Aluminium is found in the form of aluminium oxide in an ore called bauxite. Alumina and bauxite are the two main raw materials in the aluminium-making process.
- It is silvery-white in appearance, and the melting point is 660°C. It is soft and highly corrosion-resistant.
- Use of aluminium:
- In infrastructure
- In consumer goods
- In transportation
- In aircraft structure
- Copper: Reddish in color
- Brass: The color is yellow or light yellow, or nearly white.
- Bronze: Its color ranges from red to yellow
- Lead: Silver in colour when in a molten state
Last updated on Jul 19, 2025
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