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a chemical compound called triiron tetroxide

a chemical compound called tin tetrachloride

Iron oxidizes.

a red oxide of iron

an acid tartrate

phosphate of lime

a chemical compound made usually by heating silicon or silicon dioxide with chlorine, called silicon tetrachloride

mercury oxide

carburetted hydrogen―hydrocarbon

a chemical compound called sulphur trioxide

galvanized iron

sulfuretted hydrogen

a nitrate

a chemical compound called {dinitrogen pentoxide}

a poisonous liquid called arsenic trichloride

a chemical compound called {dioxine tetrachloride}

dilute nitric acid

silver nitrate―lunar caustic

pure oxygen

free oxygen

phosphate of sodium

an earth color containing ferric oxides

oxidative glycolysis

an oxygen compound

amorphous carbon

anhydrous sulphuric acid

a salt of hydrofluoric acid

a compound, called sodium thiosulfate

an aqueous solution of hydrogen fluoride

a chemical compound called {tetrachlorodibenzo-p-dioxin}