MCERT Chemistry - Acids, Bases and Titrations Terms

- acid

a substance with a pH lower than 7 and releases hydrogen ions when dissociated in water

- base

a substance with a pH higher than 7 and releases hydroxide ions when dissociated in water

- strong acid

an acid which has fully dissociated in water

- strong base

a base which has completed dissociated in water

- weak acid

an acid which has partially dissociated in water

- weak base

a base which has partially dissociated in water

- pH

potential of hydrogen; it is the measure of the acidity of a substance

- neutral

a solution with a pH of 7

- precipitate

a solid that forms from a solution during a chemical reaction

- soluble

able to be dissolved in a solvent

- insoluble

unable to be dissolved in a solvent

- titration

a technique used to determine the concentration of a solution by reacting it with a solution of known concentration

- burette

a graduated glass tube with a stopcock at the bottom used to deliver precise volumes of liquid

- pipette

a laboratory tool used to measure and transfer precise volumes of liquid

- indicator

a substance that changes colour in the presence of an acid or base