Exam: IELTS

Definition: A type of medicine that fights infections caused by bacteria. It is effective against many different kinds of germs and can be made from natural sources or created in a lab.

Example: The doctor prescribed chloramphenicol to treat the patient's severe infection.

Definition: A chemical substance used to kill bacteria and prevent infections, often found in mouthwash and disinfectants.

Example: The dentist recommended using a mouthwash that contains chlorhexidine to help prevent gum disease.

Definition: A type of chemical compound made from chlorine and another element, often used in various industrial processes.

Example: The chemist studied the properties of chlorid in the laboratory.

Definition: A chemical compound that contains chlorine, often combined with another element or group, such as in salts or esters.

Example: Sodium chloride is commonly known as table salt.

Definition: To treat something with chlorine or a chlorine compound to disinfect or purify it.

Example: The water supply was chlorinated to ensure it was safe for drinking.

Definition: Describing water that has had chlorine added to it for the purpose of cleaning or disinfecting.

Example: The swimming pool is filled with chlorinated water to keep it safe for swimmers.

Definition: To treat something with chlorine, usually to purify or disinfect it, especially water.

Example: The swimming pool was chlorinated to keep the water clean and safe for swimmers.

Definition: The process of adding chlorine to a substance, usually water, to make it clean and safe to use.

Example: Chlorination is an important step in making drinking water safe.

Definition: A greenish-yellow gas that is used to clean water and as a disinfectant. It can combine with many other elements and has a strong smell.

Example: Chlorine is often added to swimming pools to keep the water clean and safe.

Definition: A way to measure how much chlorine or similar substances are present in water, particularly in seawater.

Example: The chlorinity of the seawater was tested to determine its quality.

Definition: A clear, colorless liquid that can catch fire easily, used in making other chemicals and as a solvent.

Example: Chlorobenzene is often used in laboratories as a solvent for various reactions.