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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 values of heat of formation of SO₂ and SO₃ are -298.2 kJ and -98.2 kJ.
- Molecule in which the distance between the two adjacent carbon atoms is largest
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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
- The values of heat of formation of SO₂ and SO₃ are -298.2 kJ and -98.2 kJ.
- Molecule in which the distance between the two adjacent carbon atoms is largest
- Which of the following is not a ferromagnetic substance
- Salol is an
- The amount of copper deposited by one Faraday current will be maximum in an
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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