Question

PAGE
DATE /
Lesson 1
Chemical Reactions and Equation
Teacher cleaned the magnesium ribbon with sand paper
before performing an experiment why did the teacher
do that?
To smooth the ribbon
To remove the layer of carbondioxcide
remove the lever of magnesium oxide
All of the above
a
b
C
To
d​

Answer 1

Answer:

I can't understand what you want to know...

Answer 2

Answer:

to remove the layer of magnesium oxide