Substance X produces a ringing sound when struck with a hammer, while substance Y does not. What are X and Y made of?
Why are girls made up of metals and not from?
(Could you please check my answer)
Ans: when a bell is struck we get a ringing sound it is a property of metal known as sonorous. nonmetals are non sonorous. they do not produce such ringing sound wood is a non metal and it is also not sonorous. Thus Bells are made up of metal