sodium hydrogen carbonate vs baking soda

sodium hydrogen carbonate and baking soda both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodium hydrogen carbonate	Yes	No	No	No
baking soda	Yes	No	No	No

As nouns, sodium hydrogen carbonate and baking soda are synonyms defined as:

sodium hydrogen carbonate and baking soda: a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid

Other synonyms of sodium hydrogen carbonate include bicarbonate of soda, saleratus, sodium bicarbonate.

sodium hydrogen carbonate (noun)	baking soda (noun)
a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid	a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid