
Concept explainers
(a)
Interpretation:
The stainless steel has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Mixture:
A mixture always contains two or more substances that can be present in varying amounts. The components of a mixture do not lose their identities and may be separated by physical means. There are two types of mixture,
- Homogeneous mixture
- Heterogeneous mixture
Homogeneous mixture:
Homogenous mixture consist of a single phase be it liquid, gas, or solid the chemical composition is the same for any sample of the mixture.
Heterogeneous mixture:
Heterogeneous mixture consist of different phase are not uniform they will not have an identical composition.
(b)
Interpretation:
The motor oil has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
Soil has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
A tree has to be identified as homogenous or heterogeneous mixture.
Concept Introduction:
Refer to part (a).

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Chapter 1 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
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