<unk> s and dichromates are salts of chromic acid and dichromic acid, respectively.<unk>  salts contain the<unk>  ion, CrO42−, and have an intense yellow color.  Dichromate salts contain the dichromate ion, Cr2O72−, and have an intense orange color.
Chromate
Cobalt
Sulfate
Opium
Bite
Heme
Phorate
Fluoride