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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: - In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
- Mass of 0.1 mole of methane is
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- Which of the following is the correct equation
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
- Mass of 0.1 mole of methane is
- The pH value of 10⁻⁸ M HCl is
- The indicator used in the titration of iodine against sodium thiosulphate is
- Which of the following is the correct equation
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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