Identify all of the following three techniques that could separate enantiomers [en-AN-tee-oh-mirz] in a racemic [ray-SEEM-ik] mixture of a chiral amine [KYE-ruhl ah-MEEN]: 1) Chiral chromatography [crow-mah-TAW-grah-fee]; 2) Crystallization with acetic acid; 3) Crystallization with plus tartaric acid.