That is simple! all you have to do put some lemon juice on the apples. Also if your packing them as a snack or putting them in a refrigerator for later, lemon juice would be best for that.
No, chemical.
An apple turning brown is a CHEMICAL change.
An apple turning brown is both a chemical and a physical change. Physically it changes appearance by turning brown. Chemically it oxidizes when the air comes in contact with the enzymes and chemicals in the fruit.
Yes, an apple slice that has been exposed to air can turn brown after a short period of time. If you need to keep the slices from turning, you can coat them with lemon juice or even lemon lime soda.
Chemical
Help prevent the cut apple from turning that nasty brown color.
That the lime was going to help the apple from turning brown.
An apple turning brown is both a chemical and a physical change. Physically it changes appearance by turning brown. Chemically it oxidizes when the air comes in contact with the enzymes and chemicals in the fruit.
http://www.articlesbase.com/food-and-beverage-articles/keep-apple-slices-from-turning-brown-naturally-1238490.html
A household item that can help preserve apples in lemon juice. Using lemon juice will prevent the apple from turning brown which is caused by an enzyme.
Oxygen. Dip apple slices in lemon juice to keep them from turning brown.
Applying lemon juice to sliced apples helps prevent oxidation.
it prevent it from turning brown
you don't
cause it gets pooped on
Putting acids on a apple will not stop it turning brown as the apple is an acidic fruit itself so adding more acid would make it turn brown quicker.If you wanted to delay the browning of an apple you can always try neutrelising the apple by milk or something neutrel .It may no taste that great though .
well it doesn't really turn it brown it actually speeds up the proses of them turning brown even though vinegar is an acid it doesn't stop it from turning apples brown it speeds it up believe that it is a chemical in the apple and a chemical in the vinegar that interacts very bad.and the vinegars chemicals usually wins that's why vinegar speeds up the proses not slow it down