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Is salt and vinegar removing tarnish from a penny a physical change?
Physical change
Is salt and vinegar removing tarnish from a penny physical or a chemical change?
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.
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 mixing oil and vinegar a chemical or a physical change?
physical- there's no chemical change.
Is cornstarch a chemical or a physical change when vinegar is added?
When vinegar is added to cornstarch, it undergoes a physical change. The vinegar interacts with the cornstarch molecules, causing them to form a non-Newtonian fluid, which changes the physical properties of the mixture.
Is sugar in vinegar a chemical or physical change?
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.
What kind of change is it when you put a rusty penny into salt and vinegar?
When you put a rusty penny into salt and vinegar, a chemical change occurs. The acetic acid in vinegar and the salt create an acidic environment that reacts with the copper oxide (rust) on the penny, leading to a reduction of the rust and the release of copper ions. This process effectively cleans the penny, altering its composition and appearance. The change is irreversible, as the original rust cannot be restored once it has reacted.
Is vinegar and baking soda a physical change or a chemical change?
It is a chemical change
When whine turns to vinegar is it a chemical or physical change'?
its a chemical change
Is vinegar and salt mixed a chemical or physical change?
This is a physical change because any reaction occur.
Is it a physical or chemical change when you mix cornstarch and vinegar together?
When you mix cornstarch and vinegar together, it is a chemical change. This is because a new substance is formed due to the reaction between the cornstarch and vinegar.
Is mixing vinegar and baking soda physical change or chemical change?
It is a chemical change
