What Is Dry Ice?

The video tutorial explains the formation and properties of dry ice, a solid form of carbon dioxide. It covers the history of its discovery by Adrian Jean Pierre de Laurier and its commercialization by Thomas Slade. The tutorial highlights various uses of dry ice, including food preservation, laboratory applications, and plumbing. It also discusses its effects, such as creating fog for stage effects, and its use in cleaning through blast screening. Additional uses include slowing flower bud growth and absorbing ammonia leaks.

What is the process called when dry ice changes from a gas to a solid without becoming liquid?

• Condensation

• Deposition

• Sublimation

• Evaporation

Who was the first person to observe dry ice?

• Adrian Jean Pierre de Laurier

• Thomas Slade

• Albert Einstein

• Marie Curie

Which industry uses dry ice to keep food chilled during flights?

• Construction

• Textile

• Airline

• Automotive

How do chemists use dry ice in laboratories?

• To heat substances

• To quickly freeze and isolate liquids

• To create chemical reactions

• To measure pH levels

What is the method called where dry ice is used to clean hard stains?

• Water blasting

• Chemical cleaning

• Blast screening

• Sandblasting