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OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
What is the common name for HC=CH?
A) acetylene
B) ethene
C) ethyne
D) ethylene
E) none of the above
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ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago
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.silent.boss

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OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
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