Crystalline Solids, with the Exception of ________ Crystals, Exhibit ________

question 23

Multiple Choice

Crystalline solids, with the exception of ________ crystals, exhibit ________, or the property of refracting a beam of light into two different ray components.

• A)Amorphous, refraction
• B)Calcite, refractive index
• C)Glass, optical properties
• D)Cubic, double refraction

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Definitions:

Phosgene

A highly toxic and reactive compound with the formula COCl2, used as a chemical intermediate in the production of pharmaceuticals and pesticides.

Polycarbonates

A group of thermoplastic polymers containing carbonate groups in their chemical structures, known for their durability and used in the manufacture of eyewear, DVDs, and bulletproof glass.

Diisocyanate

A chemical compound with two isocyanate groups (-NCO), used primarily in the production of polyurethane foams, elastomers, and coatings.

Polyurethanes

Versatile polymers used in a wide range of applications, formed by reacting a di- or polyisocyanate with a polyol.