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Questions and Answers
What are the three states of matter?
What are the three states of matter?
- Liquid, gas, and plasma
- Solid, liquid, and gas (correct)
- Solid, gas, and plasma
- Solid, liquid, and plasma
Which of the following is NOT a state of matter?
Which of the following is NOT a state of matter?
- Solid
- Gas
- Plasma (correct)
- Liquid
What is the main difference between pure substances and mixtures?
What is the main difference between pure substances and mixtures?
- Mixtures have evenly spaced particles
- Pure substances have only one type of particle (correct)
- Mixtures have only one type of particle
- Pure substances have two or more particles
What is the difference between pure substances and mixtures?
What is the difference between pure substances and mixtures?
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What is the main difference between pure substances and mixtures?
What is the main difference between pure substances and mixtures?
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What are some of the separation techniques mentioned in the text?
What are some of the separation techniques mentioned in the text?
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Which of the following is NOT a separation technique?
Which of the following is NOT a separation technique?
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Which state of matter has particles that are not evenly spaced?
Which state of matter has particles that are not evenly spaced?
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Which of the following is NOT a separation technique?
Which of the following is NOT a separation technique?
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Study Notes
- There are three states of matter: solid, liquid, and gas.
- Pure substances have only one type of particle, while mixtures have two or more particles.
- The particle theory has six postulates that explain the behavior of particles.
- Mechanical mixtures have different substances that are not evenly spaced, while solutions have evenly spaced particles.
- Qualitative measurements rely on taste, while quantitative measurements use numbers.
- There are several separation techniques, including evaporation, sifting, filtration, distillation, magnetism, and flotation and settling.
- Industries use separation techniques for filtering sewage and evaporating maple syrup.
- Solids in a mechanical mixture can be separated from each other using sifting or magnetism.
- Filtration is a separation technique that uses strainers to separate particles.
- Distillation involves using heat to collect the condensation of a liquid.
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