tchotchke- an inexpensive souvenir, trinket, or ornament.
kerosene- a mixture of liquid hydrocarbons obtained by distilling petroleum, bituminous shale, or the like, and widely used as a fuel, cleaning solvent, etc.
"You'll have to go back today. To make a positive identification."(p17) The quote is refering to the death of his parents, who had just died in a terrible car accident.