wat01 Smallest particles in solutions and after crystallization
wat02 Acid Rain due to the combustion of sulfur or its compounds
wat03 Hydrochloric acid from "hydrochloric acid gas" and water
......wat04 Hydrogen chloride gas absorbed by water generating a fountain
wat05 Universal indicator inicates HOW acidic a liquid is
....wat06 Ammonia gas forms an alkaline solution
......wat07 Ammonia gas absorbed by generating a fountain
wat08 Sodium hydroxide solution the most common alkaline solution
was09 Universal indicator and red grape juice indicate HOW alkaline ... is
.....was10 Measurement of pH in coloured and turbid liquids
wat11 Neutralisation: Lime water and very little vinegar leave a neutral solution
wat12 Acid base reaction during mixing of sulfuric acid and water
wat13 Sulfuric acid produces carbon and water vapour from sugar
wat14 Measuring the O₂ concentration of water ("Mini-Winkler")
.wat15 Measuring the O₂ consumption during cleaning of waste water