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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 which of the following molecules is hydrogen bridge bond present
- Which statement is incorrect
- A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times.
- Molecule in which the distance between the two adjacent carbon atoms is largest
- Which of the following pairs of ions are isoelectronic and isostructural
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In which of the following molecules is hydrogen bridge bond present
- Which statement is incorrect
- A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times.
- Molecule in which the distance between the two adjacent carbon atoms is largest
- Which of the following pairs of ions are isoelectronic and isostructural
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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