Exam: Cambridge English: C1 Advanced (CAE)

Definition: A greenish-yellow gas that is a chemical element, often used in disinfectants and bleaches, and is derived from common salt.

Example: Chlorin is commonly used to purify water and make it safe for drinking.

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: Relating to or containing a mineral called chlorite, which is often green and found in certain types of rocks.

Example: The geologist noted that the chloritic composition of the rock indicated its formation under specific conditions.

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.

Definition: A clear, colorless liquid that has a sweet smell and is used in various applications like solvents and refrigerants. It was once commonly used as an anesthetic in surgeries but is now less frequently used due to its toxicity.

Example: The laboratory used chloroform to dissolve the chemical compounds for the experiment.

Definition: To use a chemical compound to anesthetize or make someone unconscious.

Example: The doctor decided to chloroform the patient before the surgery.

Definition: A type of organic compound that contains both a chlorine atom and a hydroxyl group, usually found on adjacent carbon atoms.

Example: Chlorohydrins are often used in chemical synthesis and industrial applications.

Definition: Relating to or containing chlorophyll, which is the green pigment in plants that helps them make food through photosynthesis.

Example: The chlorophyllous plants in the garden thrive in sunlight.

Definition: A small structure in plant cells that contains chlorophyll and is responsible for converting sunlight into energy through photosynthesis.

Example: Chloroplasts are essential for plants to produce their own food using sunlight.

Definition: Relating to or containing chloroplasts, which are the parts of plant cells that help in photosynthesis.

Example: The chloroplastic structures in the plant cells are essential for converting sunlight into energy.