Laboratory chemicals are essential tools in various scientific research, analytical testing, and medical diagnostics. There are several types of lab chemicals used in different applications, such as solvents, acids, bases, salts, reagents, and indicators. Some common laboratory chemicals include sulfuric acid, hydrochloric acid, sodium hydroxide, potassium hydroxide, ammonium chloride, acetic acid, and ethanol. Each of these chemicals has unique properties that make them suitable for specific experiments and analysis.