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Removing tarnish from a penny with salt and vinegar is a chemical change. The reaction between the salt, vinegar, and tarnish on the penny results in the formation of new substances that remove the tarnish.

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1y ago

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Is salt and vinegar removing tarnish from a penny a physical change?

Physical change


Is cleaning a penny with vinegar and salt a physical or chemical change?

Cleaning a penny with vinegar and salt is a chemical change. The vinegar (acetic acid) reacts with the salt (sodium chloride) to form a chemical compound that removes the tarnish on the copper surface of the penny. This reaction changes the composition of the penny's surface, making it appear shiny and clean.


Is vinegar Physical or chemical properties?

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Is mixing oil and vinegar a chemical or a physical change?

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The addition of sugar to vinegar is a physical change because no new substances are formed. Sugar dissolves in the vinegar, but the chemical composition of both sugar and vinegar remains the same.


When whine turns to vinegar is it a chemical or physical change'?

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How can you tarnish a penny?

One way to tarnish a penny is by exposing it to a mixture of salt and vinegar. This combination creates a chemical reaction that causes the copper surface of the penny to darken and tarnish over time.


Is it a chemical reaction when salt and vinegar clean the bottom of a copper pot?

Yes, the combination of salt and vinegar on the copper pot creates a chemical reaction that helps remove tarnish and dirt from the surface. The salt acts as an abrasive while the vinegar reacts with the tarnish to help dissolve it, making it easier to clean the pot.


Is Reactivity to vinegar is an example of physical property?

Yes, reactivity to vinegar is an example of a physical property because it describes how a substance behaves without altering its chemical composition. In this case, the reaction between vinegar and a substance demonstrates a physical change rather than a chemical one.


Is reactivity with vinegar a chemical property or physical property?

Reactivity is a chemical property (in chemistry !).


Is Vinegar And backing soda reaction a physical or Chemical change?

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Is vinegar and baking soda a physical change or a chemical change?

It is a chemical change