Concept explainers
Interpretation:
The diagram that shows a mixture needs to be identified.
Concept introduction:
Mixture always contains more than one element or a compound. It is a result of mixing two or more substances.

Answer to Problem 4STP
Correct answer: The correct option is (C).
Explanation of Solution
Reason for correct option: A mixture always consists of more than one element or a compound as seen in the last box (Z) there are two different molecules. Hence, the correct option is (c).
Reasons for incorrect options: homoatomic or heteroatomic molecules of same compound present separately isn’t considered to be a mixture.
Option (a): in the first box (X) a heteroatomic molecules are present. And all the molecules are same. Hence not a mixture.
Option (b): in the first box (Y) a homoatomic molecules are present. And all the molecules are same. Hence not a mixture.
Option (d): both (X) and (Y) are not mixture.
Chapter 4 Solutions
Chemistry: Matter and Change
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