Which is an example of a precipitation reaction?
a.
a solution of hcl mixes with a solution of naoh to produce a solution of nacl.
b.
a solution of agno3 mixes with a solution of nacl to produce solid agcl and a solution of nano3.
c.
solid c6h12o6 combines with o2 gas to produce co2 gas and h2o gas.
d.
solid fe combines with o2 gas to produce solid fe2o3.