Question

why should a magnesium ribbon be cleaned before burning in air?​

Answer 1

Answer:

Magnesium ribbon must be cleaned before burning in air so that the the layer of magnesium oxide (which is formed due to reaction of magnesium with air) can be removed in order to get the desired chemical reaction.

hope it helps

Answer 2

Answer:

to remove upper layer of ribbon which

is formed by oxidation of magnesium

Hope it helps you

plzzzzzzzzz mark as brainlist

please follow me and I will follow back