Why does a cut apple turn brown after some time?

Type: MCQ • Marks: 1

A. Chemical reaction with oxygen occurs

B. It becomes a new metal

C. It only changes size

D. It freezes

Explanation

Apple components react with oxygen in air, producing brown substances.

Want to attempt the full test series with a timer and instant score? Purchase the package to unlock the complete test. Purchase Now

Class 7th Curiosity

This page is indexed for search so students can find questions directly from Google.

Welcome to TutorWale!