Concept explainers
(a)
Interpretation:
To find the given statement describes whether a chemical or physical property.
Concept Introduction
Physical property:
- It can be observed and measured without changing the identity of a substance.
- It describes the state of the physical system.
- Color, smell, freezing point, boiling point, melting points are some of examples.
Chemical property:
- It can be observed only by carrying out a chemical change.
- The identity of the substance changes during the measurement.
- Toxicity, oxidation, flammability, heat of combustion, enthalpy of formation are some of examples.
(b)
Interpretation:
To find the given statement describes whether a chemical or physical property.
Concept Introduction
Physical property:
- It can be observed and measured without changing the identity of a substance.
- It describes the state of the physical system.
- Color, smell, freezing point, boiling point, melting points are some of examples.
Chemical property:
- It can be observed only by carrying out a chemical change.
- The identity of the substance changes during the measurement.
- Toxicity, oxidation, flammability, heat of combustion, enthalpy of formation are some of examples.
(c)
Interpretation:
To find the given statement describes whether a chemical or physical property.
Concept Introduction
Physical property:
- It can be observed and measured without changing the identity of a substance.
- It describes the state of the physical system.
- Color, smell, freezing point, boiling point, melting points are some of examples.
Chemical property:
- It can be observed only by carrying out a chemical change.
- The identity of the substance changes during the measurement.
- Toxicity, oxidation, flammability, heat of combustion, enthalpy of formation are some of examples.
(d)
Interpretation:
To find the given statement describes whether a chemical or physical property.
Concept Introduction
Physical property:
- It can be observed and measured without changing the identity of a substance.
- It describes the state of the physical system.
- Color, smell, freezing point, boiling point, melting points are some of examples.
Chemical property:
- It can be observed only by carrying out a chemical change.
- The identity of the substance changes during the measurement.
- Toxicity, oxidation, flammability, heat of combustion, enthalpy of formation are some of examples.
(e)
Interpretation:
To find the given statement describes whether a chemical or physical property.
Concept Introduction
Physical property:
- It can be observed and measured without changing the identity of a substance.
- It describes the state of the physical system.
- Color, smell, freezing point, boiling point, melting points are some of examples.
Chemical property:
- It can be observed only by carrying out a chemical change.
- The identity of the substance changes during the measurement.
- Toxicity, oxidation, flammability, heat of combustion, enthalpy of formation are some of examples.
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