Chemical Description. Sodium carbonate is a sodium salt of carbonic acid and a strong base. It is supplied as a white, odorless powder that is hygroscopic and very soluble in water producing a strong alkaline solution.
v. walked, walkÂ·ing, walks. v.intr. 1. To move over a surface by taking steps with the feet at a pace slower than a run: a baby learning to walk; a horse walking around a riding ring. 2. a. To go or travel on foot: walked to the store.
1 manner of treading or walking. 2  a single step as in walking. 3  any of various things or parts on which a person or thing treads, stands, or moves. 4  the part of the under surface of the foot or of a shoe that touches the ground.  the horizontal upper surface of a step in a stair, on which the foot is placed.