Flint, Chert, and Jasper Are Microcrystalline Forms of Which Mineral

question 125

Multiple Choice

Flint, chert, and jasper are microcrystalline forms of which mineral?

• A) halite; NaCl
• B) calcite; CaCO₃
• C) quartz; SiO₂
• D) hematite; Fe₂O₃

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Definitions:

D-aldotetrose

A simple sugar (tetrose) in the D-configuration with an aldehyde group, part of the carbohydrate family.

Ruff Degradation

A chemical process used to convert monosaccharides into smaller sugars or alditols.

Optically Active

Refers to a substance that can rotate the plane of polarized light, indicating chiral molecules not superimposable on their mirror image.

Alditol

A type of sugar alcohol formed by reducing the aldehyde or ketone group in aldoses or ketoses, respectively.