PH3 - phosphine (a toxic and flammable gas)P2O5 - diphosphorus pentoxide (a white, water-reactive solid used in chemical reactions)CO2 - carbon dioxide (a gas produced by burning fossil fuels)Na2CO3 - sodium carbonate (a white, odorless solid used in making glass and detergents)NaHCO3 - sodium bicarbonate (baking soda, used in cooking and as an antacid)Na2CO3 - sodium carbonate (mentioned previously)NaOH - sodium hydroxide (a caustic soda used in manufacturing and cleaning products)NaHSO4 - sodium hydrogen sulfate (an inorganic compound used in the chemical industry)Na2SO4 - sodium sulfate (a white crystal used in detergents and pharmaceuticals)