What is frozen carbon dioxide commonly known as?

Prepare for the Praxis Pennsylvania Grades 4–8 Core Assessment. Study using flashcards and multiple choice questions, each with hints and explanations. Success awaits!

Frozen carbon dioxide is commonly known as dry ice. Dry ice is the solid form of carbon dioxide (CO2) and sublimates at temperatures of -78.5 degrees Celsius (-109.3 degrees Fahrenheit). This means it transitions directly from a solid to a gas without becoming liquid, making it useful for refrigeration and preserving perishable items during shipping. Its properties allow it to create fog effects in theatrical productions and for various scientific applications.

Liquid nitrogen, carbon snow, and chilled carbon refer to different substances or states. Liquid nitrogen is the liquefied form of nitrogen and is used for cooling and freezing materials at extremely low temperatures, while carbon snow and chilled carbon are not standard terms in scientific references. Thus, dry ice distinctly identifies frozen carbon dioxide in common vernacular.

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