JAMB - Chemistry (2015 - No. 41)
Detergents are manufactured with straight hydrocarbon chains, is to make them
soluble
biodegradable
cheaper
foamy
解释
Biodegradable because the straight hydrocarbons are natural and slightly soluble in water. Options A,C,D do not have strength hydrocarbon chains and they could harm the environment if they are made with the detergent