Cement is a mixture of which kind of minerals?
APrecious metal ores
BOrganic fuel minerals
CNon-metallic minerals
DFerrous ore minerals
Answer & Solution
Correct answer: C. Non-metallic minerals
1. Sulphur, phosphates and nitrates are non-metallic.
2. Cement is a non-metallic mixture.
3. They contain no metal.
_Source: syllabus Fundamentals of Physical Geography, Chapter 5, Minerals and Rocks._
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