What are the most common answers to “Name a chemical analysis or separation technique”?

Most people start with Distillation, Filtration and Chromatography. In Icillion they are worth 10 points each, the least of any level.

How many answers does Icillion accept for “Name a chemical analysis or separation technique”?

35 in all: 3 on The Tip, 6 Below the Surface, 8 in The Deep, 17 in The Abyss, and a single legendary answer Below the Iceberg.

The shortest accepted answer is “NMR” and the longest is “Differential scanning calorimetry”.

Chemistry trivia

35 answers count for this chemistry prompt. Here is what floats on top, what sits just below the waterline, and how far down the rest go.

Say one of these and you stay near the surface, with 10 points.

These 6 are known, but not the first thing people say. 25 points each:

The Deep holds 8 answers starting with E, G, H, I, M, N, T and U. The Abyss has 17 more, and one legendary answer waits below them all.

35 answers in total, 13 of them longer than one word.
Shortest: “NMR”. Longest: “Differential scanning calorimetry”.
C, I and D are the most common first letters; together they start 34% of the answers.
10 answers can be typed more than one way: “XRD” counts as X ray diffraction.

More answers begin with C than with any other letter (5). Run through it first.
Skip Distillation, Filtration and Chromatography; everybody says them.
Use the periodic table: groups and rows you rarely think about are full of rare answers.