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Copper, lead, zinc, tin and aluminium are classed as:

ANon-metallic
BNon-ferrous metals
CFerrous metals
DPrecious metals
Answer & Solution
Correct answer: B. Non-ferrous metals
1. Ferrous metals are iron and metals mixed with iron. 2. Copper, lead, zinc and tin are non-ferrous. 3. Precious metals are gold, silver, platinum. _Source: syllabus Fundamentals of Physical Geography, Chapter 5, Minerals and Rocks._
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