Separating Mixtures

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Questions

• What type of mixtures can be separated by filtration?
• What type of mixtures can be separated by centrifugation?
• How do mixtures differ from compounds?
• How do mixtures differ from pure substances?
• What are the types of methods to separate mixtures?
• How can mixtures of solids be separated?
• What mixtures can be separated by physical means?
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• What are the different parts in a centrifuge machine, and what are the different types of centrifuges?
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• What is an example where heating a substance provides a mixture of its constituent elements?
• Describe how you would separate a mixture of water, sand and iron metal filings. Which separation techniques would you use?
• Why do we not use sintered glass frits with hydrofluoric acids? Why do not collect silver halide precipitates on glass frits?
• A container holds a mixture of glass shards and iron filings. What is the best way to separate the glass shards from the iron filings?
• How would you separate sand and water?
• A container contains a mixture of sand, salt, and pebbles. How can each substance be separated from the others?
• You have soup with chicken, noodles, and carrots. How can you separate the solids and liquids?
• What is the process used to separate petroleum into different fractions?
• Explain the mixture separation techniques?
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• What is a procedure that could be used to separate a mixture of sand and table salt?
• What are the methods in separating mixtures?
• In general, what is used to separate mixtures?
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• How you would separate the components of a mixture of sugar and sand. Would your methods result in physical or chemical changes?
• How do you separate salt from a saltwater mixture?
• How does the boiling point of hydrocarbons vary with chain-length?
• When a mixture of water, sand, and salt is filtered, what passes through the filter paper?
• In a lab 178.8g of water is separated into hydrogen gas and oxygen gas. The hydrogen gas has a mass of 20.0g. What is the mass of the oxygen gas produced?
• What is meant by #"evaporation to dryness"#?
• How can a mixture of different colored inks can be separated?
• The sugar cane juice for making sugar they mix urea then they separate the sugar , which later the make the juice in solid form . So how can we remove the chemical (un wanted)from sugar before eating ?
• Suppose you had a mixture of sand and small hollow beads. How might you separate the mixture?
• How could you separate mixture of rocks and sand?
• Your teacher has mixed salt, pepper, and water. What is a procedure that you could use to separate this mixture?
• Why are lanthanides in the same ore hard to separate?
• How would you separate a mixture of saltwater?
• How does cooling the gases allows ammonia to be separated from unused hydrogen and nitrogen, and state what happens to these unused gases?
• How would you separate iron filings from water?
• What do you do to separate salt and water?
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• How does fractional distillation separate out ethanol and water?
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• Could you separate a colloid by filtering? Explain
• A mixture can be separated by what means?
• Which of these are results of physical changes?
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• Do heterogeneous mixtures settle out by themselves?
• Do the proportions of solute to solvent vary in heterogeneous mixtures?
• What is one procedure, other than electrophoresis, that is used in the laboratory to separate the different types of molecules in a liquid mixture?
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• Consider a mixture of water, sand, and oil. How many phases are present? How could you separate mixture into individual substances?
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• Why do sommeliers decant old bottle of wine?
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• How do you filter a precipitate of calcium carbonate from an aqueous solution?
• If you had a bucket that contained a mixture of sand and seashells, how might you use the physical properties of the seashells to separate them from the sand?