Calcium oxide, AKA lime, glows when heated and was a common household cleaning ingredient
CaO
CH4 is a fuel and useful industrial chemical, but produces an unfortunate smell associated with the back ends of cows
Carbon tetroxide or methane
Iron (IV) sulfide will make a fool out of you if you mistake it for actual gold (Au)
FeS2
Laughing gas, AKA N2O, has a lot of uses outside out medicine including as an aerosol spray propellant and in internal combustion engines in vehicle racing
Dinitrogen monoxide
Dioxygen uniphosphide is O2P
Dioxide monophosphide
Food grade phosphoric acid is commonly added to jams and colas to give them a sour, tangy taste
H3PO4
Sulfuric acid AKA battery acid in lead-acid batteries for cars and other vehicles.
H2SO4
ZnS is one of two compounds that create the white pigment used in interior paints and some enamels
Zinc sulfide
For those ingesting too much sodium in their diets, potassium chloride is a good alternative
KCl
The ionic compound Fe3S2
Should be Fe2S3 if iron (III) or FeS if iron (II)
Ammonia, NH3, is the main ingredient in Windex
Nitrogen trihydride
A simple touch of a feather will set off nitrogen triiodide this highly dangerous contact explosive.
NI3
FeCl3 gives off a pale green color when dissolved in water
Iron (III) chloride
MgO was used as a home remedy to treat everything from heartburn to indigestion to constiption
Magnesium oxide
Silicon heptoxide is Si2O9
Disilicon heptoxide is Si2O7
Disilicon nonoxide Si2O9
Baking soda (sodium bicarbonate) is the compound that makes dough rise because of its release of CO2
NaHCO3
HF is a very dangerous contact poison which can interfere with calcium in your body leading to tissue death and eventually cardiac arrest
Hydrofluoric acid
Titanium (IV) oxide is what gives Whiteout and mineral sunscreen its white finish
TiO2
Silver nitrate has historically been used to “treat” gonorrea, warts, and oral ulcers although stains the skin in the process
AgNO3
Zinc (II) iodide is ZnI2
Zinc does not have variable charge, always +2
Zinc iodide
C2F4 is the basic unit of Teflon (the nonstick coating on cookware)
Dicarbon tetrafluoride
Lead poisoning (from old paints) is mainly blamed on a combination of lead (II) carbonate and lead (II) hydroxide
PbCO3 and Pb(OH)2
(NH4)2Cr2O7 creates Nickelodeon-orange colored ash
Ammonium dichromate
Ammonium carbonate (smelling salts) is used to awaken the unconscious or those feeling faint
(NH4)2CO3
Arsenic selenide is As2Se3
Molecular compound!
Diarsenic triselenide