white paper, made using soda pulp

(obsolete) Sodium dithionite.

(inorganic chemistry) sodium sulfite

Any of several barren tracts of level ground, in the southwestern United States, covered with a layer of natron.

the alkaline waste material that is a byproduct of the Leblanc process

(cooking) Bread made using sour milk and baking soda as a rising agent, rather than yeast; common in Ireland.

sodium hydroxide (NaOH), a strong alkaline substance used in the manufacture of paint, soap and detergents, or as a drain cleaner.

Sodium bicarbonate.

A stout glass bottle containing soda water under pressure, at one time found in bars. A lever-operated valve at the top is used to dispense the liquid.

plural of caustic soda