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Matter Test Review

Matter Test Review. Chp 8: Small Book Chp 10: Large Book. Name: ANSWER KEY Date: ______________ Period: ____. 1. Define the term ‘ ’ emulsion ”. An emulsion is a mixture of two immiscible liquids which have been stabilized to keep them from separating.

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Matter Test Review

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  1. MatterTest Review Chp 8: Small Book Chp 10: Large Book

  2. Name: ANSWER KEY Date: ______________ Period: ____

  3. 1. Define the term ‘’emulsion” An emulsion is a mixture of two immiscible liquids which have been stabilized to keep them from separating.

  4. 2. Is freezing a phase change? Explain. YES A phase change is when a substance changes from one phase of matter to another; such as liquid water freezing to solid ice

  5. 3. Could the relative proportion of the elements hydrogen and oxygen which are found in the compound water, H2O, ever change? Explain. NO Any other relative proportion, such as H202 or HO would make a completely different compound

  6. 4. List the 2 MAIN categories of matter. 1. Pure substances, and 2. Mixtures

  7. 5. What is the study of Organic Chemistry? The study of substances that contain the element Carbon, C

  8. 6. Drops of C form on the inside of the test tube when substances A and B are heated together in the test tube. The drops of C represent a(n) new type of _____. • Element • Compound • Mixture • Solution • Atom

  9. 7. How are new compounds formed? By the chemical combination of two or more different atoms

  10. 8. Which of the following is a heterogeneous mixture? A) a solution B) an element C) a colloid D) a pure substance E) Something not made of matter

  11. 9. List the three main physical statesof matter. 1. Solid 2. Liquid 3. Gas

  12. 10. Gels, aerosols, foams, and emulsions are different types of a heterogeneous mixture called a(n) _____. colloid

  13. 11. Something that results in a change of chemical structure is called a(n) ____. A) physical property B) chemical property C) physical change • chemical change • phase change

  14. 12. Muddy water is an example of a(n) ___. A) homogeneous mixture B) solution C) element D) compound E) suspension

  15. 13. Any substance capable of dissolving another substance is called a(n) ___. A) solute B) solution C) solvent D) homogeneous mixture E) compound

  16. 14. What type of solution is unable to dissolve any more solute? a saturated solution

  17. 15. Name an inorganic solvent. water

  18. 16. What is the universal solvent? water

  19. 17. List three (3) chemical properties. 1. the ability to burn 2. the ability to rust or tarnish 3. the ability to be digested

  20. 18. The saying ‘like dissolves like’ is known as the ___ of solvents. ‘rule of thumb’

  21. 19. Which of the following are immiscible? Oil and water Alcohol and water Wax and water Fat and water A) II only • I and IV • III and IV • I only • I, III, and IV

  22. 20. Hair mousse is a(n) ___. A) colloid B) element C) solution D) compound E) atom

  23. 23. Water evaporating is an example of a(n) ___. A) physical property B) chemical property C) physical change • chemical change • phase change

  24. 23. Oil in water, O/W, and water in oil, W/O, are two types of ___ commonly used in cosmetology. Emulsions NOTE: the term colloid would also be correct because an emulsion is a type of colloid

  25. 23. What distinguishes a supersaturatedsolution form an unsaturated or saturated solution? A supersaturated solution contains more than the maximum amount of solute for a given temperature

  26. 24. H2O (water), C6H12O6 (glucose), Hg (mercury), and NaCl (table salt) are all ___. A) elements B) compounds C) mixtures D) pure substances E) heterogeneous

  27. 25. Giving a perm and bleaching are both examples of a(n)___. A) chemical change B) chemical property C) physical change D) physical property E) change of state

  28. 26. What is the BEST definition of an atom? the smallest particle of an element that sill has all the properties of that element

  29. 27. List the five (5) elements most important to skin and hair. 1. C = carbon 2. H = hydrogen 3. O = oxygen 4. N = nitrogen 5. S = sulfur

  30. 28. TRUE or FALSE: The relative proportion of substances in a mixture can change from sample to sample of that mixture. TRUE

  31. 29. Put the terms compound, atom, mixture, and element in order from least to most complex. Least Most Complex Complex atom element compound mixture

  32. 30. Define the word ‘matter.’ anything that has mass and occupies space

  33. 31. What is another word for a solution? homogeneous mixture

  34. 32. Which of the following represents a compound, but NOT an element? A) O2 B) Co C) CO D) Hg E) O

  35. 33. What happens to the particles of a suspension over time? Over time the particles will settle out to the bottom of the container so that two distinct layers are formed

  36. 34. Air is an example of a(n) ___. A) heterogeneous mixture B) homogeneous mixture C) element D) compound E) suspension

  37. 35. Which of the following is true concerning mixtures? A) they are pure substances • can only be broken apart using fusion or fission C) always have a fixed ratio of substances • the substances are chemically combined with one another • they can be separated using simple physical methods

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