Question

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TIME REMAINING
56:03
Which of the following is an oxidation-reduction reaction?
SO2(g) + H2O(l) mc010-1.jpg H2SO3(aq)
CaCO3(s) mc010-2.jpg CaO(s) + CO2(g)
Ca(OH)2(s) + H2CO3(l) mc010-3.jpg CaCO3(aq) + 2H2O(l)
C6H12O6(s) + 6O2(g) mc010-4.jpg 6CO2(g) + 6H2O(l)
Mark this and return Next

Answer 1

Not able to understand the question O_O

What's
1 2 3 4 5 6 7 8 9 10
TIME REMAINING
56:03

Answer 2

thats how many questions i got. that isnt part of it.

Answer 3

Which of the following is an oxidation-reduction reaction?
SO2(g) + H2O(l) mc010-1.jpg H2SO3(aq)
CaCO3(s) mc010-2.jpg CaO(s) + CO2(g)
Ca(OH)2(s) + H2CO3(l) mc010-3.jpg CaCO3(aq) + 2H2O(l)
C6H12O6(s) + 6O2(g) mc010-4.jpg 6CO2(g) + 6H2O(l)

Answer 4

oh lol, are you taking a test?

Answer 5

yea trying to keep my grade up cuz im behind by like 20%

Answer 6

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