Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The magnesium ribbon which we usually use has a coating on white layer of magnesium oxide on its surface it is formed by the slow reaction of moist air on it these layer must be removed before burning
0 0 0
Magnesium ribbon reacts with oxygen in atmosphere to form magnesium oxide, which is a protective layer. The presence of this layer will result in ribbon burning very slowly. Hence, magnesium ribbon must be cleaned with a sand paper before burning.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts