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Anything else then dropping it in molten gold is chemical
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∙ 14y ago
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Is a copper penny turning dark a chemical change or physical change?
Chemical.
Is putting a penny in lemon juice a physical or chemical change?
physical reaction
Is a rusty penny an example of a chemical reaction true or false?
Yes. The rust on the penny indicates that a reaction between the penny and its environment has occurred. Since a new material was formed from this reaction (the rust) the reaction must be a chemical reaction.
Is dissolution of a copper penny in nitric acid a chemical reaction?
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
How is physical change and chemical change different?
A physical change is when some thing's shape or volume is changed. But a chemical change is a reaction between two or more objects to create something new and you can't get back what you originally started with.
Is a copper penny turning dark a chemical change or physical change?
Chemical.
Is putting a penny in lemon juice a physical or chemical change?
physical reaction
Is cleaning a penny with vinegar and salt a physical or chemical change?
It is a chemical reaction and this is the correct way to spell penny!
Is a rusty penny an example of a chemical reaction true or false?
Yes. The rust on the penny indicates that a reaction between the penny and its environment has occurred. Since a new material was formed from this reaction (the rust) the reaction must be a chemical reaction.
Is dissolution of a copper penny in nitric acid a chemical reaction?
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
Is a blackened penny a physical or chemical change?
Chemical
How is physical change and chemical change different?
A physical change is when some thing's shape or volume is changed. But a chemical change is a reaction between two or more objects to create something new and you can't get back what you originally started with.
Is salt and vinegar removing tarnish from a penny a physical change?
Physical change
Is a gold penny chemical or physical?
It's chemical because you have to heat a liquid until it's super hot then you put the penny's in a cooler liquid and then it changes color.
Is cleaning a penny a chemical change or a physical change?
this is my homework just give the answer already!
Is melting a physical or chemical and why?
Its a physical property, because if I melt a penny it goes from solid to liquid but its still a penny. It doesn't turn into a quarter oh and good luck with your test or homework
How is putting ketchup on a penny a chemical reaction?
it's not. tell whoever told you that to go back to pre-school.
