| ⇦ | 
| ⇨ |
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 rapid change of pH near the stoichiometric point of an acid-base titration
- The plot of concentration of the reactant vs time for a reaction is a straight
- Which of the following is not an azo dye
- What is the ratio of mass of an electron to the mass of a proton?
- Surface water contains
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The rapid change of pH near the stoichiometric point of an acid-base titration
- The plot of concentration of the reactant vs time for a reaction is a straight
- Which of the following is not an azo dye
- What is the ratio of mass of an electron to the mass of a proton?
- Surface water contains
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply