Circle the best answer for each question.

1		Carbon compounds
			A)	are mostly electrolytes
			B)	usually have slow reaction rates
			C)	rapidly oxidize in air
			D)	tend to be stable at high temperatures
2		The simplest organic compounds are the
			A)	hydrocarbons
			B)	lipids
			C)	carbohydrates
			D)	monosaccharides
3		Natural gas and petroleum consist mainly of
			A)	unsaturated hydrocarbons
			B)	aromatic hydrocarbons
			C)	alkanes
			D)	aldehydes and ketones
4		Catalytic cracking and polymerization are two methods used to increase the yield of
			A)	naphtha
			B)	pentane
			C)	gasoline
			D)	alcohol
5		Benzene is an example of
			A)	an aliphatic compound
			B)	a functional group
			C)	a polymer
			D)	an aromatic compound
6		Vinyls, Styrofoam, Plexiglas, and Teflon are examples of
			A)	monomers
			B)	polymers
			C)	polyesters
			D)	polysaccharides
7		Sugars and starches are examples of
			A)	lipids
			B)	carbohydrates
			C)	proteins
			D)	nucleic acids
8		The catalyst for photosynthesis is
			A)	DNA
			B)	cholesterol
			C)	cellulose
			D)	chlorophyll
9		Fat molecules consist of three fatty acid molecules attached to
			A)	a benzene ring
			B)	an amino acid
			C)	an alcohol molecule
			D)	a glycerol molecule
10		The organic molecule that can replicate itself is
			A)	DNA
			B)	an amino acid
			C)	acetaldehyde
			D)	ethylene glycol