4. School bells
are made by Metals
why ?
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ind
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Answer:
School bells are made up of metals because they are sonorous, therefore when struck hard, they produce a ringing sound so that the teachers and students can hear the bell ring.
Metals have a property of sonority.
Metals are sonorous, this means that they produce a ringing sound when struck hard.
Whereas non metals are non sonorous, meaning that they don't produce a ringing sound whe struck hard.
☆ Examples of metals are Copper (Cu), Iron (Fe), Aluminum (Al), etc.
☆ Examples of non metals are Sulphur (S), Carbon (C), Bromine (Br), etc.
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