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Questions and Answers
Which of the following is true about components of a mixture?
Which of the following is true about components of a mixture?
- Components retain their individual properties and can be separated using physical methods. (correct)
- Components can be present in fixed proportions.
- Components can only be separated using chemical methods.
- Components are chemically combined and lose their individual properties.
Which of the following is true about pure substances?
Which of the following is true about pure substances?
- Pure substances are mixtures of two or more substances.
- Pure substances have varying proportions of components.
- Pure substances can be separated into simpler substances by physical means.
- Pure substances consist of only one type of substance and have fixed compositions. (correct)
What type of properties can be observed or measured without changing the composition of a mixture?
What type of properties can be observed or measured without changing the composition of a mixture?
- Biological properties
- Thermal properties
- Chemical properties
- Physical properties (correct)
What can the color of a mixture provide clues about?
What can the color of a mixture provide clues about?
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Which of the following is true about pure substances?
Which of the following is true about pure substances?
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