ACIDS, BASES AND SALTS
Chemical compounds can be broadly classified into three categories Acids,Bases and Salts. ACIDS The word acid is derived from a Latin word 'acere' or 'acidus' meaning'sour'. All acids have one property in common that is they all are sour in taste. Most people think that acids are fuming corrosive dangerous liquids. However all acids are not like this.e.g.vinegar contains acetic acid and it is used to preserve the food.(pickles). Classification of acids ORGANIC ACIDS: The acids produced by the plants and animals are known as organic acids. Eg.acetic acid, oxalic acid, tannic acid etc. MINERAL ACIDS: These are prepared in laboratories and are corrosive in nature. Eg. Hydrochloric acid, Sulphuric acid and Nitric acid. PROPERTIES OF ACIDS 1. They have a sour taste. 2. They are corrosive in nature. Most acids especially the strong ones can burn our skin and react with many materials are corrosive liquids and also destroy paper and clothes....