Question

(1)Give reason for the following:(a) School bells are made up of metals.(b) Electric wires are made up of copper.​

Answer 1

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• Metals are sonorous (produce sound on being hit), so - school bells are made up of metals.
• Copper is a very good conductor of electricity. So, it is used for making electrical wires.

Answer 2

Answer:

(a) because metals are sonorous. That is they have a property of producing sound.

(b) because copper (metal) is a good conductor of electricity.

I hope it will help you