8 Questions
Why are electric wires coated with polyvinylchloride (PVC) or a rubber-like material?
To provide insulation and prevent electric shock
What happens when metals strike a hard surface? Do they produce a sound?
Yes, metals produce a sound when they strike a hard surface
Why are school bells made of metals?
Because metals produce a sound when struck, making them suitable for bells
Do non-metals also have physical properties similar to that of metals?
No, non-metals have completely different physical properties from metals
Non-metals are either solids or ______ except bromine which is a liquid
gases
The wires that carry current in your homes have a coating of polyvinylchloride (PVC) or a ______-like material
rubber
The metals that produce a sound on striking a hard surface are said to be ______
sonorous
You must have seen that there are very few non-metals as compared to ______
metals
Test your knowledge of the properties of metals and non-metals with this quiz. Explore the reasons behind the coating of electric wires, the sound production when metals strike a hard surface, and the use of metals in school bells.
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