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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: - Cassiterite is concentrated by
- Salicylic acids is prepared from phenol by
- The first step in bakelite formation is
- One of the oxidants used with liquid propellants is
- Acetamide and ethylamine can be distinguished by reacting with
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Cassiterite is concentrated by
- Salicylic acids is prepared from phenol by
- The first step in bakelite formation is
- One of the oxidants used with liquid propellants is
- Acetamide and ethylamine can be distinguished by reacting with
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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