Gypsum is best described as which of the following?

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Prepare for the NYSID Materials and Methods Exam 1. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Gypsum is best described as which of the following?

Explanation:
Gypsum is a soft mineral, calcium sulfate dihydrate, that commonly appears gray to white. It forms in evaporative sedimentary settings, creating large beds that are mined on a big scale. This makes it the best description because it identifies gypsum as a mineral, not a polymer, a metallic ore, or an insulation material. The other options describe materials that gypsum isn’t: a crystalline polymer used in roofing is a plastic material, a metallic ore used in alloys contains metals, and while gypsum-based drywall can affect sound, gypsum itself isn’t primarily an acoustic insulation material.

Gypsum is a soft mineral, calcium sulfate dihydrate, that commonly appears gray to white. It forms in evaporative sedimentary settings, creating large beds that are mined on a big scale. This makes it the best description because it identifies gypsum as a mineral, not a polymer, a metallic ore, or an insulation material. The other options describe materials that gypsum isn’t: a crystalline polymer used in roofing is a plastic material, a metallic ore used in alloys contains metals, and while gypsum-based drywall can affect sound, gypsum itself isn’t primarily an acoustic insulation material.

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