1) What is a mixture ? a) A combination of things b) A combination of physical and non physical elements c) Physical combination of two or more substances 2) What is a homogeneous mixture ? a) You can see the various subsu b) You can’t see the various substances 3) What is a heterogeneous mixture ? a) You can see the various substances b) You can’t see the various substances 4) If you have a mixture of iron and sulfur how do you separate? a) Boiling b) Filtering c) Magnetism 5) What method would we use to separate sugar and sand ? a) Boiling b) Filtering c) Sorting by hand 6) If you accidentally drop a paper clip into bowl of rice how can we separate? a) Filtering b) Boiling c) Using a magnet 7) How can we separate ink from water ? a) Evaporation b) Filtration c) Boiling 8) How can you separate a mixture of oil and vinegar? a) Boiling b) Decantation c) Evaporation 9) What temperature does water boil at? a) 200 degrees b) 100 degrees c) 80 degrees 10) What temperature does ethanol boil at? a) 88 degrees b) 96 degrees c) 78 degrees 11) What is distillation? a) Technique for filtering solids and liquids b) Separating elements based on boiling points c) Method to separate gases 12) What does decantation separate? a) Liquids and solids b) Solids and solids c) Gases and liquids 13) What does filtration separate? a) Liquids with different densities b) Solids from liquids and gases c) Dissolved solution from liquids 14) What does evaporation separate? a) Liquids with different densities b) Solids from solids c) Solution from liquids

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