Concept explainers
Interpretation:
If the given statement is true or false should be determined.
Concept introduction:
The mixture can be defined as a physically combined material made up of two or more different substances.
Answer to Problem 59A
The given statement is false.
Explanation of Solution
The mixture is formed by the physical attraction of the two or more substances. The substances present in the mixture do not have a definite proportion. There are no chemical changes involved in the mixture, hence, the individual components of the mixture maintain its identity and they are separable through physical methods such as boiling, freezing or distillation. Also, there is almost no change in the enthalpy when the mixture is formed, but when two substances combine chemically, there is always an involvement of energy.
The mixture is formed by physical attraction of two or more substances, which can be present in a variable proportion and can be separated by the physical methods.
Chapter 3 Solutions
Chemistry: Matter and Change
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