Sometimes light bulbs have argon.
Any household items contain chlorophyll.
Household items doesn't contain polonium.
some light bulbs
Any household items contain technetium.
some lightbulbs
Household items do not contain the highly radioactive element polonium.
gravy
none.
disinfectants.
it pens
Some incandescent lamps contain argon.
Bromothymol blue has no household uses.