Exam: GRE (Verbal)

Definition: Referring to a type of chemical structure that has a ring made only of carbon atoms.

Example: Benzene is a common example of a carbocyclic compound.

Definition: A type of enzyme that helps break down carbohydrates into simpler sugars.

Example: Amylase is a common carbohydrase found in saliva that starts the digestion of starches.

Definition: A chemical element that is found in all living things and many materials, known for its ability to form a wide variety of compounds. It can exist in different forms, such as graphite and diamond, and is essential for life.

Example: Carbon is a key element in organic chemistry and is found in all known life forms.

Definition: Relating to or containing carbon, often used to describe materials or substances that have a high carbon content.

Example: The carbonaceous material in the soil helps to improve its fertility.

Definition: A type of chemical compound that is formed from carbonic acid, often found in salts or esters.

Example: Sodium carbonate is commonly used in glass making and as a cleaning agent.

Definition: To change a substance into a compound that contains carbon and oxygen, often by adding carbon dioxide.

Example: The scientist decided to carbonate the water to make it fizzy.

Definition: Relating to carbon or derived from carbonic acid or carbon dioxide.

Example: Carbonic compounds are important in many chemical processes.

Definition: A type of organic ion that has a positive charge on a carbon atom and is formed by losing an electron.

Example: The chemist studied the properties of carbonium ions in the laboratory.

Definition: The process of converting a substance into carbon or a carbon-containing residue, often through heating in the absence of air.

Example: The carbonization of coal produces coke, which is used in steelmaking.

Definition: To change a substance that contains carbon into carbon, often by burning it partially.

Example: The scientist decided to carbonize the wood to create charcoal.

Definition: A type of chemical group or compound that contains a carbon atom double-bonded to an oxygen atom, commonly found in various organic compounds like aldehydes and ketones.

Example: The chemist explained how the carbonyl group is essential in the structure of many organic molecules.