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The lusture of a metal is due to
Options
(a) its chemical inertness
(b) its high polishing
(c) its high density
(d) presence of free electrons
Correct Answer:
presence of free electrons
Explanation:
The metals lusture is due to presence of mobile electrons in the metals crystals. Under the influence of light, the surface electrons absorb the proton of visible light and then re-emit the absorbed radiation. Therefore the surface of metal shows a shinning appearance.
Related Questions: - The reaction of chloroform with ethylamine in alcoholic alkali gives
- Methyl alcohol is industrially prepared by the action of
- How many coulombs of electricity are required for the reduction of 1 mol
- Which of the following represents correct decreasing order of polarity?
- Paracetamol is
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- Methyl alcohol is industrially prepared by the action of
- How many coulombs of electricity are required for the reduction of 1 mol
- Which of the following represents correct decreasing order of polarity?
- Paracetamol is
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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