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Chemistry CBSE Live product
Class 7
The World of Metals and Non-metals
Properties of materials
6.
Lustrous nature of metals
Question:
3
m.
Give short answer to the following question
:
1.
What makes metals to shine?
Metals have impurities, that reflects light
Metals are hard, hence they look shiny
Metals are clean, so they reflect light
Metals have free electrons that reflect light, and giving them a metallic shine
2. Which of the following non-metal resembles metallic lusture?
Nitrogen
Carbon
Diamond
Phosphorus
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