Physics, asked by AlinaKhan780, 4 months ago

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Answered by mamtadhyani87
2

Answer:

Q3

Explanation:

bells are made up of iron instead of wood because metals have high elasticity whereas wood do not have high elasticity

Answered by mitraa20
2

Answer:

1.In a chemical reaction, a more reactive metal displaces a less reactive metal from its salt. From the reactivity series of metal, we know that zinc is more reactive than iron. So iron, being less reactive than zinc, can't replace zinc from its salt zinc sulphate.

2.Yes, I support this statement that “dumping of waste material made up of metals and nonmetals leads to environmental pollution” because of the following reasons : ... When these waste material (metals and nonmetals) corrode they pollute ground water by the process of leaching(washing out of minerals or nutrients).

3.The bells are made by metals instead of wood because - The metals have a unique physical property which is known as the sonorous property. Due to this property of the metals,a loud metallic sound is produced when we hit a piece of metal by any object.

4.Metal is a good conductor of heat. If the handles of the saucepans were made of metal, they would become too hot to hold and that would be dangerous. Someone trying to hold a metal handle could drop the saucepan or receive a nasty burn.

5.Gold cannot become dull because they did not get moisture and does not react with air. Gold is non reactive to oxygen and other reactive metal.

6.Most metals have many physical properties in common. For example, they are shiny silvery-grey solids with high melting points and boiling points, high density, good conductors of heat and electricity, malleable (easily bent or beaten into any shape) and ductile (strong enough to be drawn into wire).

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