Exam: GRE (Verbal)

Definition: A chemical compound that is a yellowish or reddish-gray powder, used mainly in the production of dyes and for detecting blood stains.

Example: The laboratory used benzidine to test for the presence of blood on the crime scene evidence.

Definition: A type of chemical compound that is used in making other chemicals and can stop the growth of some germs and fungi.

Example: Benzimidazole is often used in the treatment of parasitic infections.

Definition: A chemical compound that is a salt or ester derived from benzoic acid, often used as a preservative in food and beverages.

Example: Sodium benzoate is commonly used to prevent spoilage in soft drinks.

Definition: A white, odorless, and tasteless substance used to numb a specific area of the body during medical procedures.

Example: The dentist applied benzocaine to numb my gums before the procedure.

Definition: A type of medication that belongs to a group of chemical compounds, often used to treat anxiety, relax muscles, induce sleep, and control seizures.

Example: The doctor prescribed a benzodiazepine to help manage her anxiety symptoms.

Definition: Relating to or derived from benzoic acid, a compound often used in food preservation and as a chemical intermediate.

Example: The benzoic compound is commonly used in various food products to prevent spoilage.

Definition: A colorless liquid hydrocarbon that is derived from benzene and used in various chemical processes.

Example: Benzol is often used as a solvent in industrial applications.

Definition: A white crystalline substance used in perfumes and sunscreens, known for its ability to absorb UV light.

Example: The sunscreen contains benzophenone to protect the skin from harmful UV rays.

Definition: A type of chemical compound that is yellow and crystalline, known to cause cancer and found in substances like coal tar and cigarette smoke.

Example: Benzopyrene is often studied for its harmful effects on human health due to its carcinogenic properties.

Definition: A type of organic compound that is a derivative of quinone, characterized by a specific chemical structure and formula.

Example: Benzoquinone is often used in chemical reactions and as a reagent in laboratories.