Question

Explain why freshly cut apple is almost white but it turns reddish brown after some time

Answer 1

Answer:because  it contains iron

Explanation:

freshly cut apple is white but turns brown because the iron in it gets oxidized.

to prevent this ,you can apply lime juice as it is an antioxidant.

Answer 2

When a apple is cut the oxygen is introduced in the injured plant tissue When oxygen is present in cells polyphenol oxidase enzymes in the chloroplast rapidly oxidisephenolic components naturally present in the apple tissues to o-quinones colourless percursors to brown coloured secondary products