How can you classify compounds?

By their pH: You can classify a compound as acid, basic or neutral measuring a value called pH. You should never touch, taste or smell a chemical to classify if because many acids can damage your body.

As organic or inorganic: An organic compound has carbon and hydrogen, an inorganic compound doesn´t have carbon nor hydrogen. Strawberries are organic.

By their role in our body: Organic compounds that are made by living things are called biochemicals. They are divided in carbohydrates, lipids, proteins, and nucleic acids. Carbohidrates are used as source of energy and include source of energy, they include sugars, starches and fiber. Lipids store exess energy in the body, they include fats, oils and waxes. Proteins regulate chemical activities. Nucleic acids contain genetic information.