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(a)
Interpretation: Whether the given figure (a) is of a heterogeneous mixture, a homogeneous mixture or a compound needs to be determined.
Concept Introduction: Practically all of the matter in environment consists of mixtures of different substance. For example, soil; it has many forms of components, air; it has mixture of many gases, etc.
(a)
Answer to Problem 18A
The given figure is of a heterogeneous mixture.
Explanation of Solution
Substance is made up of the similar types of the atoms. Compound is a substance in which two or more than two different elements are chemically bounded together. The mixture present with a single phase is known as homogeneous and having two or more than two phases is heterogeneous mixture. Heterogeneous mixture is a kind of mixture in which the different parts are not consistently mixed.
A given figure is showing some kind of mixture in which the different parts are not consistently mixed. So, it is heterogeneous mixture.
(b)
Interpretation: Whether the given figure (b) is of a heterogeneous mixture, a homogeneous mixture or a compound needs to be determined.
Concept Introduction: Practically all of the matter in environment consists of mixtures of different substance. For example, soil; it has many forms of components, air; it has mixture of many gases, etc.
(b)
Answer to Problem 18A
The given figure is of compound.
Explanation of Solution
Substance is made up of the similar types of the atoms. Compound is a substance in which two or more than two different elements are chemically bounded together. The mixture present with a single phase is known as homogeneous and having two or more than two phases is heterogeneous mixture. Heterogeneous mixture is a kind of mixture in which the different parts are not consistently mixed.
A given figure is showing two or more than two different elements that are chemically bounded together.So, it is compound.
Chapter 2 Solutions
World of Chemistry
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