A teacher demonstrates a decomposition reaction. Which would be a correct demonstration?
А
burning magnesium in the presence of oxygen to produce
magnesium oxide
B.
burning methane in the presence of oxygen to produce
carbon dioxide and water
running an electrical current through water to produce
hydrogen and oxygen
D
reacting iron with oxygen to produce iron(III) oxide

i think it's c. i'm not sure but i think so.

did anyone actually do this? like if anyone has submitted this i rly need .

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.