i think the tarnish will come of the tarnish penny
leave it in water 4 a long period of time
silver tarnish because of oxygen in air , not by the water.
The pennies will corode.
To clean any penny, try using ketchup and a toothbrush. After that, make a paste out of baking soda and water then lightly rubbing the penny with your thumb. For even better results, try using an eraser. Any type, it doesn't matter. Your penny should be nice and clean!
Thin, pale ketchup.
water
Ans1:The taco sauces helps clean pennies by killing the bacteria, with an ingredient found in most taco sauces, or hot sauces, called capsicidins (see link) which are thought to function as antibiotics. This may make the penny more sanitary. Ans2:Taco sauce often has vinegar (acetic acid) in the recipe. The reaction of vinegar with the copper compounds that tarnish the penny produces water-soluble copper acetate.
the main ingredient of ketchup is tomato , water and sugar and salt.
put water in it
Water!
yes
Ketchup will partially disolve but the red coloring of the ketchep will remain.