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Q. |
The luster of a metal is due to - |
A. | high polishing |
B. | high density |
C. | chemical inertness |
D. | presence of free electrons |
Answer» D. presence of free electrons | |
Explanation: Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the Latin lux, meaning "light", and generally implies radiance, gloss, or brilliance. |
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