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to phrases
Ethin
n
chem.
ethine
(C
2
H
4
)
;
acetylene
(C
2
H
4
)
;
acetylene
(C
2
H
4
)
;
ethyne
(C
2
H
4
)
Ethin
Acetylen
n
gen.
ethyne
Ethin:
1 phrase
in 1 subject
Chemistry
1
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