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Questions and Answers
Which separation technique involves the conversion of a solid directly into a gas, without passing through the liquid state?
Which separation technique involves the conversion of a solid directly into a gas, without passing through the liquid state?
- Sublimation (correct)
- Evaporation
- Filtration
- Crystallisation
Which separation technique is commonly used to separate components in a mixture based on their boiling points?
Which separation technique is commonly used to separate components in a mixture based on their boiling points?
- Distillation (correct)
- Filtration
- Evaporation
- Chromatography
Which separation technique involves the use of a magnetic field to separate magnetic substances from non-magnetic substances?
Which separation technique involves the use of a magnetic field to separate magnetic substances from non-magnetic substances?
- Crystallisation
- Evaporation
- Magnetic separation (correct)
- Filtration
Which separation technique is commonly used in chemistry to analyze and separate the components of a mixture based on their different affinities to a stationary phase and a mobile phase?
Which separation technique is commonly used in chemistry to analyze and separate the components of a mixture based on their different affinities to a stationary phase and a mobile phase?
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Which of the following statements is true about pure substances?
Which of the following statements is true about pure substances?
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