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.
A pedestrian is someone traveling by foot. If you're walking, you might get angry at the drivers who don't stop so you can cross the street. But if you're driving, you might fight the urge to run over those annoying pedestrians! Pedestrian comes from the Latin pedester meaning going on foot but also plain.. As a noun, it's someone walking around â sidewalks are for pedestrians. As an adjective it means lacking wit or imagination.. If someone calls your new poem pedestrian, they mean it's dull.