chem practice exam 1

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babyg7207
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238420
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chem practice exam 1
Updated:
2013-10-02 18:17:44
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chem practice exam
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chem practice- definition- fill in the blanks- physical & chemical changes - subatomic particles
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  1. Classify the material:
    oxygen gas
    Element
  2. Classify the material:
    air
    HOMO mixture
  3. Classify the material:
    Sea water
    Homo mix
  4. Classify the material:
    Calcium Chloride
    Compound
  5. Classify the material:
    Sugar solution
    Homo mix
  6. Classify the material 
    Rock
    Hetero Mix
  7. Classify the material
    Gold
    Element
  8. Classify the material:
    Water
    compound
  9. Classify the material:
    Glucose
    Compound
  10. Classify the material:
    Milk
    Hetero Mix
  11. Physical/chemical change
    Rusting iron
    Chemical
  12. Physical/chemical change
    Melting of wax
    physical
  13. Physical/chemical change
    Condensation of steam
    Physical
  14. Physical/chemical change
    Sublimation of Iodine
    Physical
  15. Physical/chemical change
    cutting wood
    Physical
  16. Physical/chemical change
    Burning gasolin
    Chemical
  17. Physical/chemical change
    Dissolving sodium chloride
    Physical
  18. Physical/chemical change
    Boiling water
    Physical
  19. Physical/chemical change
    Cooking pasta
    Chemical
  20. Physical/chemical change
    Photosynthesis of plants
    Chemical
  21. Physical/chemical change
    Burning of oil
    Chemical
  22. Physical/chemical change
    Dissolving of salt
    Physical
  23. Physical/chemical change
    Boiling an egg
    Chemical
  24. Physical/chemical change
    Souring of milk
    Chemical
  25. Physical/chemical change
    A leaf turning brown
    Chemical
  26. Physical/chemical change
    Chewing of food
    Chemical
  27. Physical/chemical change
    Electrolysis of water
    Chemical
  28. _____ state of material with no fixed shape and fixed volume.
    Gas
  29. ____ study of matter to molecular level.
    Chemistry
  30. ___ pure substance which cannot be broken down.
    Element
  31. ____ well established hypothesis
    Theory
  32. ____ cannot be modified with time.
    Scientific law
  33. _____material with no fixed composition.
    Mixture
  34. ____ technique used to separate miscible liquids
    Distillation
  35. ____ anything that has mass and volume
    Matter
  36. ____ chemical combination of two or more elements in a fixed ratio.
    Compound
  37. ___ composition varies through different region.
    Hetero Mix
  38. ___ amount of energy required by 1 gram of water to change by 1 degree celcius
    Calorie
  39. ____ energy of particles in motion
    Kinetic

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