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Chemistry
8th
grade
Physical Properties, States of Matter, Phase Changes
14 questions
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- 1. Multiple ChoiceWhich of the following is a physical property of matter?Reactivity with oxygenductilityflammabilityreactivity with acid
- 2. Multiple ChoiceWhich of the following statements about density is TRUE?Density depends on mass and volumeDensity is weight per unit volumeDensity is measured in millimetersDensity is a chemical property
- 3. Multiple ChoiceOne way to compare the densities of oil and water is to pour the liquids into a glass container and observe how they....change colorevaporate quicklyseparate into layerscreate an odor
- 4. Multiple ChoiceWhat happens when a liquid turns into a solid?new molecules are formedthe mass of the sample is increasedthe arrangement of the molecules changesenergy is absorbed by the molecules
- 5. Multiple ChoiceIn which state of are the particles moving very fast and charged?solidliquidgasplasma
- 6. Multiple ChoiceTrue or False:
When water is boiling, the temperature of the water remains at 100 degrees C until all the water evaporates.TrueFalse - 7. Multiple ChoiceWhat happens to water molecules as the temperature of the water is increased?The molecules spread apart and move more slowlyThe molecules spread apart and move more quickly
- 8. Multiple ChoiceIn which state of matter do particles slide past each other and take the shape of the container?solidliquidgasplasma
- 9. Multiple ChoiceWhich process describes when a liquid turns into a gas?boilingcondensationevaporationmelting
- 10. Multiple ChoiceTrue of False:
When a gas turns into a liquid, the particles move faster and further apart.truefalse - 11. Multiple ChoiceTrue or false:
Freezing Point is the temperature at which a substance begins to change from the liquid state to the solid state.truefalse - 12. Multiple ChoiceA substances ability to dissolve in water is a...physical propertychemical propertyphysical changechemical change
- 13. Multiple ChoiceThe term used to describe the ability of a metal to be formed into a shape of hammered into a sheet is...ductilitymalleabilitysolubilityconductivity
- 14. Multiple ChoiceThe term conductivity describes a substance's ability to...be formed into a wiretransfer heat or electricitybe hammered into a sheet or formed into a shapeability to dissolve in water
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