Chemical formula

There are many different types of acids. Acids taste sour, turn blue litmus paper pink and have a pH pf less 7.

Some acids are very corrosive like sulfuric acid, nitric acid and hydrochloric acid. These acids can cause damage to the skin, eyes and clothing. They also vigorously react with active metals such as magnesium, zinc and iron producing hydrogen gas and salts

Some acids are very weak like the organic food acids. Acetic acid or vinegar, citric acid and malonic acid are all used in cooking. Lactic acid is found in yogurt and sour cream.

Some common acids are their uses.

Name of acid	Chemical formula of acid	Uses of acid
Sulfuric acid	H2SO4	Used in car batteries
Hydrochloric acid	HCl	Also called muriatic acid. Used to lower the pH of swimming pools and to clean the cement off bricks. Found naturally in the stomach.
Nitric acid	HNO3	Used to make ammonium nitrate fertilizer. Also used to make explosives like trinitrotoluene (TNT) and nitroglycerine which is the explosive ingredient in dynamite.
Acetic acid or vinegar	CH3COOH	Used in cooking and as a condiment for flavor.
Citric acid or 2-hydroxypropane-1,2,3-tricarboxylic acid		Found in citrus fruits like lemons and oranges. Used in cooking and as as a food flavoring ingredient.