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Answer variants:
\(CH_3(CH_3)_5CH_3\)
No bonds
\(C_nH_{2n-2}\)
\(CH_3(CH_2)_5CH_3\)
Ethyl alcohol
1. __________ is the general molecular formula of alkynes.
 
2. __________ is the condensed structure of n- Heptane.