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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: - A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
- In the following reaction, the product(A)
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
- In the following reaction, the product(A)
- The wrong statements about glycerol is
- Which one of the following compounds is used as a body deodorant
- Structure of ICl₂⁻ 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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