Multiple Choice
Which of the following best describes a mixture?
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1. Intro to General Chemistry
Classification of Matter
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Which of the following best describes inorganic molecules?
A
They are exclusively found in biological systems.
B
They are compounds that generally do not contain carbon-hydrogen (C-H) bonds.
C
They are large, complex molecules found primarily in living organisms.
D
They are always composed of only carbon and hydrogen atoms.
Verified step by step guidance1
Understand the definition of inorganic molecules: Inorganic molecules are generally defined as compounds that do not contain carbon-hydrogen (C-H) bonds.
Recognize that organic molecules typically contain carbon-hydrogen bonds and are often associated with living organisms, whereas inorganic molecules can be found both in living and non-living systems.
Note that inorganic molecules can include a wide variety of compounds such as salts, metals, minerals, and gases like water (H2O), carbon dioxide (CO2), and ammonia (NH3), which do not have C-H bonds.
Eliminate options that describe molecules exclusively found in biological systems or composed only of carbon and hydrogen, as these characteristics are more typical of organic molecules.
Conclude that the best description of inorganic molecules is that they are compounds that generally do not contain carbon-hydrogen (C-H) bonds.
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