What is the Best Way to Clean Pennies?
May 21, 2012 . One of the easiest and most common ways to clean pennies is to wash them in a mixture of water, salt, and a mild acid. The first thing to do in .
Miami Museum of Science-The pH Factor/Cleaning Pennies
Does an acid or a base clean pennies better? Students clean pennies with acidic and basic solutions to determine which cleans copper better. This activity .
Why do you clean pennies with salt and vinegar
The salt and vinegar create an acid solution that causes the copper oxide to dissolve off the coins. Once they are clean they should have their original shiny coat.
Clean Pennies with Vinegar - Science Bob
It turns out that vinegar is an acid, and the acid in the vinegar reacts with the salt to remove what chemists call copper oxide which was making your pennies dull.
How to Clean Copper Coins in Seconds (with pictures) - wikiHow
Jul 8, 2012 . How to Clean Copper Coins in Seconds. Brighten old, dark pennies in seconds! . Add enough acetic acid (vinegar, white vinegar is most .
Cleaning silver coins
Let me start by saying this: If you buy uncleaned coins, you will have very, VERY few chances to clean high grade silver coins. You may find . The mild acid in the lemon juice will help to soften the dirt, and make it easier to remove. After using .
Oct 27, 2004 . Dirty pennies; Clean Pennies data sheet (pdf); Safety goggles; Cups; Salt . are combined, they form a very small amount of hydrochloric acid.
- Photo Credit pen on laptop keyboard image by kastock from mccullouch mac 3200 chain saws
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How to Clean a Penny: A Cheap and Easy Way to Clean Your Coins ...
Feb 7, 2008 . This acid helps to clean off the tarnish and other residue built up on the penny. As mentioned earlier, you can also try other types of coins to .
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References to help explain why citric acids clean pennies best
Why do citric acids clean pennies best. ++. My ten year old daughter and I read some of your letters about "What cleans pennies the best". She has 5 different .
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How does acid clean pennies
By removing some of the copper on the tarnished penny. when tarnish sets on a penny it becomes dull and loses it shine .the acid which acts like a cleanser .
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Cleaning pennies with taco sauce
One of the things I discovered was that the hot sauce would clean pennies. . the idea the somehow hydrochloric acid is forming to the more reasonable ideas .
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Chemistry Fun with Pennies
When you place the pennies in the salt and vinegar solution, the acetic acid from the vinegar dissolves the copper oxide, leaving behind shiny clean pennies.
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Acids vs Bases: Cleaning Pennies
Acids vs. Bases: Cleaning Pennies Experiment. Purpose: The purpose of this experiment is to find out which of four household products can most effectively .
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Why Does Citric Acid Clean Pennies? | eHow.com
Why Does Citric Acid Clean Pennies?. Millions of pennies are circulating at any given time throughout the United States. As the pennies circulate, they begin to .
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Science Activity: Turn Old Pennies Bright and Shiny! | Exploratorium
Copper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange .
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Cleaning Coins With Salt? - Science Forums
Salt mixed with vinegar or lemon juice cleans the pennies becasue the two chemicals make hydrochloric acid.If you want to know heres the .
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What juice or liquid cleans pennies best?
You can "clean" a penny a little bit and very slowly with lemon juice or vinegar ( mild acids), but put a dash of salt in the lemon juice and the penny will turn .
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How does vinegar clean penny's
vinegar is acetic acid so it 'eats' away the coating of the penny cleaning it. First answer by . How does does the acid in vinegar clean pennies? the acid burns .
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Lemon Juice Clean a Penny - Ask.com
Source: http://www.ehow.com/how_4603485_clean-pennies-lemon-juice.html. How does lemon juice clean pennies? The acids in the lemon juice eat away at .
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Why does ketchup clean pennies
Why does ketchup clean pennies? In: Chemistry, Scientific Method [Edit categories]. Answer: The acids in the Tomato Ketchup took off the dirt and mess on the .
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4 Ways to Clean Pennies - wikiHow
May 22, 2012 . Today, not much is available to buy with a penny, so the result is . or Play Penny Ante, it may be nice to have clean, shiny pennies at your disposal. . Just wet the object, put on some Bar Keepers Friend (which is oxalic acid) .
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Science Projects: Juice That Cleans Pennies | eHow.com
A Science Project on What Kind of Juice Cleans Pennies Best; How to Clean Pennies With . Foods produced the first acids that people experimented with.
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How to Clean Pennies | eHow.com
Pennies have managed to hold onto their niche in the economy much longer than most people would have thought. . How to Use Malic Acid to Clean Pennies .
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How to Clean Pennies With Juices for a Science Project | eHow.com
Observing citrus-based juices clean pennies is a fun science projects for your . You can use acids, such as lemon juice and orange juice, combined with salt, .
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Vinegar alone is a weak acid so it won't work, as shown by beaker #2. Salt water also does not work, as shown in beaker #3. To clean the pennies, you need a .