Concept explainers
(a)
Interpretation:
Whether the oxidation of iron to form rust is a physical or a chemical property is to be stated.
Concept introduction:
The change in the physical property of a substance is known as a physical change, which is reversible in nature.
The change in the chemical property of a substance is known as a chemical change, which is irreversible in nature.
(b)
Interpretation:
Whether the sublimation of dry ice is a physical or a chemical property is to be stated.
Concept introduction:
Chemical reactions are the rearrangement of atoms, molecules, or ions to form other chemical substances. Chemical changes are of two types; physical change and chemical change.
The change in the physical property of a substance is known as a physical change, which is reversible in nature.
The change in the chemical property of a substance is known as a chemical change, which is irreversible in nature.
(c)
Interpretation:
Whether the change in color of lithium to gray is a physical or chemical property is to be stated.
Concept introduction:
Chemical reactions are the rearrangement of atoms, molecules, or ions to form other chemical substances. Chemical changes are of two types; physical change and chemical change.
The change in the physical property of a substance is known as a physical change, which is reversible in nature.
The change in the chemical property of a substance is known as a chemical change, which is irreversible in nature.
(d)
Interpretation:
Whether the radioactive decay of plutonium is a physical or chemical property is to be stated.
Concept introduction:
Chemical reactions are the rearrangement of atoms, molecules, or ions to form other chemical substances. Chemical changes are of two types; physical change and chemical change.
The change in the physical property of a substance is known as a physical change, which is reversible in nature.
The change in the chemical property of a substance is known as a chemical change which is irreversible in nature.
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INTRODUCTORY CHEMISTRY-STD.GDE.+SOL.MAN
- World of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div