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Marisabel
Marisabel asks:
Q:

What kind of juice cleans pennies best?

In Topics: Helping my child with science
> 60 days ago

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laurenf
laurenf writes:
Hi Marisabel,

Phosphoric acid is what is in soda (specifically Coke and Pepsi) that helps it clean rust. However, phosphoric acid is inorganic, and is added to the soft drinks. It is not found naturally in juice.

There could be phosphoric acid added to juice. If there is, the juice with the highest concentration of it will probably clean pennies best.

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joberhau
joberhau writes:
Hi Marisabel,

Maybe try using the most acidic juices you can find; grapefruit juice, lemon juice, and tomato juice are highly acidic and might just do the trick!

Hope this helps!
> 60 days ago

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bob
bob , Parent writes:
There is an activity on Education.com for this.  It has a lot of comments from users who did it.

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spacegeek
spacegeek writes:
In working with students in my middle school classroom we have found that lemon juice works best
> 60 days ago

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kikaprince
kikaprince writes:
lemon juice
> 60 days ago

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