Exam: IELTS

Definition: A chemical compound that is the simplest aldehyde, often used in organic chemistry and as an intermediate in various chemical processes.

Example: Ethanal is commonly used in the production of acetic acid.

Definition: A colorless and odorless gas that is part of natural gas and is used for fuel and refrigeration.

Example: Ethane is often used in the production of ethylene, which is a key ingredient in many plastics.

Definition: A clear, colorless liquid that is used in alcoholic drinks and as a solvent or fuel.

Example: Ethanol is the main ingredient in alcoholic beverages like beer and wine.

Definition: A clear, colorless liquid that is an amino alcohol, often used as a solvent in various industrial processes, including petroleum purification and the production of detergents and pharmaceuticals.

Example: Ethanolamine is commonly used in the production of detergents and as a solvent in dry cleaning.

Definition: A colorless gas that is used in the production of plastics and other chemicals, often referred to as ethylene.

Example: Ethene is commonly used in the manufacturing of polyethylene, a widely used plastic.

Definition: Describing something that is very light, delicate, and often seems otherworldly or spiritual.

Example: The dancer moved with an ethereal grace that captivated the audience.

Definition: The quality of being light, delicate, or otherworldly, often associated with a sense of beauty or spirituality.

Example: The ethereality of the music made everyone feel as if they were floating in a dream.

Definition: In a way that is light, delicate, and otherworldly, often suggesting a sense of beauty or grace.

Example: The dancer moved ethereally across the stage, captivating the audience with her grace.

Definition: The quality of being light, delicate, or heavenly, often associated with something that seems too perfect for this world.

Example: The etherealness of the music made everyone feel as if they were floating in a dream.

Definition: The process of making someone unconscious using ether, typically for medical procedures.

Example: The doctor explained that etherization would help the patient feel no pain during the surgery.