Why does cut apple turn brown when exposed to air?

Why does cut apple turn brown when exposed to air?

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Cut apple turns brown when exposed to air because polyphenols are released.

These polyphenols undergo oxidation in the presence of air and impart brown colour.

5 views Answered 2023-02-05 15:29

Related Questions

You belong to a generation that has been exposed to internet. Discuss how internet has brought about positive and negative results.

2 Answers 17 Views

What happens when: (write chemical equations only ) (a) Anhydrous `AlCl_(3)` is exposed to atmosphere. (b) `AlCl_(3)` dissolves in aqueous sodium hydr

2 Answers 4 Views

A one litre flask is full of reddish brown bromine fumes.The intensity of brown colour of vapour will not decrease appreciably on adding to the flask

2 Answers 4 Views

`Fe^(2+) (aq)+NO_(3)^(-) (aq)+H_(2)SO_(4) (conc.) to` Brown ring The brown ring is due to the formation of complex, `[Fe(H_(2)O)_(5)NO]SO_(4)`. What i

2 Answers 5 Views

A cube and a sphere of the same material and same total surface area are placed in the sae space turn by turn, after heating them to the same temperat

2 Answers 5 Views

Ina certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random

2 Answers 5 Views

There are 15 different apples and 10 different pears. How many ways are apple or a pear and then Jill to pick an apple and a pear?

2 Answers 5 Views

______________ is Apple’s closed source operating system for Apple’s iPhone, iPod Touch, iPad and second-generation Apple TVs

2 Answers 6 Views

______________ is Apple’s closed source operating system for Apple’s iPhone, iPod Touch, iPad and second-generation Apple TVs.

2 Answers 5 Views

Browning of cut apple can be prolonged by applying lemon juice.

2 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)