What Is the Difference Between a Rock That Is Cemented

question 20

Multiple Choice

What is the difference between a rock that is cemented together and a rock that has a crystalline texture?

• A) A rock that is cemented contains rounded grains that are held together by cement,whereas a crystalline rock contains angular grains held together by cement.
• B) Crystalline rocks contain minerals,while cemented rocks contain rock fragments; both are held together by static forces between grains.
• C) Minerals are held together as interlocking pieces in a cemented rock,whereas grains are held together by minerals precipitated in pore spaces in a crystalline rock.
• D) Minerals are held together as interlocking pieces in a crystalline rock,whereas in a cemented rock the grains do not fit together like puzzle pieces and instead are held together by cement.

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Definitions:

Stereochemical Detail

Information regarding the spatial arrangement of atoms in molecules and its influence on the physical and chemical properties of those molecules.

Stereochemical Detail

Refers to the spatial arrangement of atoms in molecules and how this arrangement affects the chemical properties and reactions of the molecule.

(2R,3S)-2,3-dichloropentane

A specific enantiomer of dichloropentane characterized by its unique three-dimensional arrangement, resulting in distinct optical properties.

Achiral

A term describing a molecule that is superimposable on its mirror image, lacking chirality.