Level 2
Level 1

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10 words 0 ignored

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Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

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Ignore?
CH4
methaan
C2H6
ethaan
C3H8
propaan
C4H10
butaan
C5H12
pentaan
C6H14
hexaan
C7H16
heptaan
C8H18
octaan
C9H20
nonaan
C10H22
decaan