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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: - When acetic acid is heated with phosphorus pentaoxide(P₂O₅), the compound
- Which of the following is heavy water
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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
- When acetic acid is heated with phosphorus pentaoxide(P₂O₅), the compound
- Which of the following is heavy water
- When sodium is added to ethanol
- Addition of phosphate fertilizers into water leads to
- If uncertainty in position and momentum are equal, then uncertainty in velocity
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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