Question

Which of the following is an oxidation-reduction reaction?
SO2(g) + H2O(l) Right arrow. H2SO3(aq)
CaCO3(s) Right arrow. CaO(s) + CO2(g)
Ca(OH)2(s) + H2CO3(l) Right arrow. CaCO3(aq) + 2H2O(l)
C6H12O6(s) + 6O2(g) Right arrow. 6CO2(g) + 6H2O(l)Which is a characteristic of nuclear fission?

Answer 1

Answer:

3rd reaction

Explanation:

if you see.....calcium hydroxide is oxidized to calcium carbonate and carbonic acid is reduced to water.....so according to me...this one is right