📅 NSB 2019🎓 HS🔄 Round 9#️⃣ Q21❓ TOSS-UP✍️ Short Answer
Identify all of the following three techniques that could determine the optical purity of a sample: 1) Polarimetry; 2) Thin-layer chromatography; 3) Mass spectrometry.
✔️Answer:1
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