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- 1. Multiple ChoiceWhich of the following results when carbon and oxygen chemically bond to form carbon dioxide?a precipitatea mixturea compounda solution
- 2. Multiple ChoiceWhich substance is composed of only one type of atom and is an example of the simplest form of matter?SoilSaltCopperHydorchloric Acid
- 3. Multiple ChoiceBoiling point,melting point, and density are some of an element'spure propertiesphysical propertieschemical properties
- 4. Multiple ChoiceAn element's ability to react with acid is an example of aphysical propertymelting pointchemical property
- 5. Multiple ChoiceGelatin (jello) is an example of:compoundelementcolloid
- 6. Multiple ChoiceAll _________are either metals, metalloids, or nonmetals.metalsmetalloidselements
- 7. Multiple ChoiceElements with properties of both metals and nonmetals are ___________.metalsnonmetalsmetalloids
- 8. Multiple ChoiceMixtures are separated through ___________changes.mixturecompoundphysical
- 9. Multiple ChoiceWhat kind of substance is composed of two or more elements that are chemically combined?elementcompoundmixture
- 10. Multiple ChoiceWhen elements form mixtures, the elementscombine in a specific mass ratiokeep their original properties
- 11. Multiple ChoiceHow is a compound different from a mixture?Solids, liquids, and gases can form compoundsEach substance in a compound loses its characteristic properties
- 12. Multiple ChoiceIf a spoonful of sugar is mixed in a glass of water, what is the water called?solutesolutionsolventelement
- 13. Multiple ChoiceA colloid has properties of both solutions and ____.suspensionssolventssolutesnonmetals
- 14. Multiple ChoiceHow is a compound different from a mixture?Compounds have 2 or more components.Each substance in a compound loses its original properties.Compounds are commonly found in nature.Solids, liquids, and gases can form compounds.
- 15. Multiple ChoiceGold is a(n)mixturecompoundelement
- 16. Multiple ChoiceSalt water is a ____ mixture.homogeneousheterogeneous
- 17. Multiple ChoiceSugar water is asolutionsuspensioncolloid
- 18. Multiple Choicewhat is dissolved in the solventsolutesolventsolubilitysolubility
- 19. Multiple Choicewhat dissolves the solutesolubilitysolventsolutesolution
- 20. Multiple ChoiceA solution that contains a large amount of solute is best described asunsaturatedconcentrateddiluteweak
- 21. Multiple ChoiceThis substance can only be separated into simpler substances by chemical meanssilverhydrogenfruit saladtable salt
- 22. Multiple ChoiceWhich of these mixture types would have visible particles that could settle to the bottom of the mixture?suspensionsolutioncolloidsassafrass
- 23. Multiple ChoiceWhich of these is an example of a chemical property?densitymelting pointductilityflammability
- 24. Multiple ChoiceAn element can be broken down into simpler substances by...physical meanschemical meansBoth chemical and physical meanselements can't be broken down
- 25. Multiple ChoiceWhich type of element is shiny, ductile and malleable?metalnonmetalmetalloidplay dough
- 26. Multiple ChoiceWhich of these is a mixture?Carbon DioxideCity airAmmoniaTable Salt
- 27. Multiple ChoiceYou can separate a solution by using a filter.truefalse
- 28. Multiple ChoiceThese elements are dull, brittle, and poor conductors.metalsnonmetalsmetalloidstransformers
- 29. Multiple ChoiceWhich of these is NOT a pure substance?elementscompoundsmixturesthey are all pure substances
- 30. Multiple ChoiceWhen we dissolve salt in water, salt is the solute.truefalse
- 31. Multiple ChoiceCooling water will not alter the speed of a reaction.truefalse
- 32. Multiple ChoiceIf a mixture of salt and water has stopped dissolving the salt, it has reached its maximum _______.mixturecarrying capacitysolventsolubility
- 33. Multiple ChoiceA __________ has a definite ratio of componentscompoundmixturesolventsolute
- 34. Multiple ChoiceThese elements are called semiconductors.metalsnonmetalsmetalloidsThe guy at the front of a train
- 35. Multiple ChoiceOne of these substances cannot be broken down into another substance. Which of these is that substance?CookiesPure SubstancesElementMixtures
- 36. Multiple ChoiceAn example of a homogeneous mixture would be:saladperfumepizzachex mix
- 37. Multiple ChoiceAn example of a heterogeneous mixture would be:goldchex mixchocolate milkwater
- 38. Multiple ChoiceAn example of a compound would be:hydrogenzinctable saltoxygen
- 39. Multiple ChoiceA mixture that does not look the same throughout:heterogeneous mixturehomogeneous mixturethe periodic tablewater
- 40. Multiple ChoiceYou are eating a pizza. What type of mixture are you consuming?homogeneousheterogeneouspure substanceThe Periodic Table
- 41. Multiple ChoiceSand is a homogeneous mixture.truefalse
- 42. Multiple ChoiceA solution has a small amount of solute compared with the amount of solvent. Which of these best describes the solution?dilutedenseconcentrationsaturated
- 43. Multiple ChoiceA solution is being made by dissolving crystals of sugar in water. Which of these would be most likely to increase the rate at which the sugar dissolves?Increase the temperature of the water.Decrease the temperature of the water.Increase the pressure over the water.Decrease the pressure over the water.
- 44. Multiple ChoiceA spoonful of salt is added to a glass of water. What effect is stirring the water most likely to have?Stirring causes less of the salt to dissolve.Stirring causes more of the salt to dissolve.Stirring causes the salt to dissolve more quickly.Stirring causes the salt to dissolve more slowly.
- 45. Multiple ChoiceBy which method could you separate the elements in a compound?by filtering itby using chemical methodsby filteringby centrifuging it
- 46. Multiple Choice
Which of these is a kind of mixture?a moleculea solutionan elementpure water - 47. Multiple ChoiceEither a compound or an elementHomogeneous MixturePure SubstanceHeterogeneous MixtureMixture
- 48. Multiple ChoiceA mixture that is the same throughout, so evenly mixed that it is difficult to see the different partsHeterogeneous MixtureCompoundHomogeneous MixtureElement
- 49. Multiple ChoiceWhich of the following is a chemical property ?densitymelting pointreactivitymalleability
- 50. Multiple ChoiceA combination of substances that are not chemically combined is called a(n)____________.mixturecompoundphysical
- 51. Multiple ChoiceWhat can you use to separate iron filings from a sand, salt, and iron filings mixture?FilterBalanceMagnetWater
- 52. Multiple ChoiceA magnet picked up nails from a mixture of items but did not pick up anything else.
What is the best reason why the magnet separated only the nails from the mixture?The nails are larger than the other items.The nails have a different shape than the other items.Only the nails are made of iron.Only the nails are made of plastic. - 53. Multiple ChoiceItalian dressing is asolutionsuspensioncolloid
- 54. Multiple ChoiceWhat type of mixture separates upon standing?SolutionAlloyColloidSuspension
- 55. Multiple ChoiceA solid solution of metals or a metal and a nonmetal is called a(n):suspensioncolloidalloy
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