Joke Collection Website - Public benefit messages - The role of commonly used drugs in the chemical experiment of senior high school entrance examination in Beijing.
The role of commonly used drugs in the chemical experiment of senior high school entrance examination in Beijing.
Concentrated sulfuric acid: liquid absorbs water, is corrosive, dehydrates and gives off heat. Concentrated hydrochloric acid: liquid derusting, with pungent smell. Calcium carbonate: solid building, calcium supplementation, preparation of carbon dioxide. Sodium carbonate: solid alkali, glass, washing sodium bicarbonate: solid baking powder, baking cakes, treating stomach acid. Sodium chloride: solid and salty, with insufficient salt production.
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