All of the Following Are True for Dissolving Inorganic Materials

question 8

Multiple Choice

All of the following are true for dissolving inorganic materials in acid,except:

• A)metals with positive reduction potentials should dissolve in nonoxidizing acids such as HCl,HBr,HF,H₃PO₄,etc.
• B)volatile species formed by protonation of anions such as carbonate will be lost from hot acids in open vessels.
• C)volatile metal halides such as SnCl₄ and some metal oxides can be lost from hot acids in open vessels.
• D)hot hydrofluoric acid dissolves silicates.
• E)substances that do not dissolve in nonoxidizing acids may dissolve in oxidizing acids such as HNO₃,hot concentrated H₂SO₄,or hot concentrated HClO₄.

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Definitions:

Biological

Relating to the processes and structures within living organisms, or the scientific study of these processes.

Heritability

A measure in genetics that quantifies how much of the variation in a specific trait within a population can be attributed to genetic factors.

Trait

A characteristic way of thinking, feeling, or behaving that is consistent across time and situations.

Individual Differences

Differences in psychological characteristics, behaviors, and physical reactions among individuals.