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Which of the following properties is generally not shown by metals?
(i) Electrical conduction
(ii) Sonorous in nature
(iii) Dullness
(iv) Ductility
Answer.:
Metals are characteristic physical properties:
- Metals are good conductors of electricity i.e. that show electrical conduction.
- They are able to produce sounds , hence are sonorous.
- Metals are shiny in appearance , so they do not show dullness.
- They can be drawn into thin wires and therefore, are ductile
So, the correct option is (c) Dullness
