which is composed of alkynes?\no acetylene\no margarine\no rubber tires\no polystyrene cups
which is composed of alkynes?\no acetylene\no margarine\no rubber tires\no polystyrene cups
Answer
Brief Explanations:
Alkynes are hydrocarbons with carbon - carbon triple bonds. Acetylene ($C_2H_2$) is the simplest alkyne. Margarine is a fat product, rubber tires are made of polymers from isoprene units, and polystyrene cups are made from polystyrene polymer, none of which are composed of alkynes.
Answer:
A. acetylene