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Chemistry Quiz 12 (60 MCQs)

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1. A stick of butter is what type of fat?
2. The elements that appear below the main body of the periodic table. These elements are characterized by the presence of electrons in the f sublevel.
3. What type of molecule provides immediate energy in cells?
4. A professor explores the reactions that take place in a human liver
5. What holds atoms together in a molecule?
6. Identify the product(s) in the following word equation:sodium reacts with chlorine to yield sodium chloride
7. What are the four main types of molecules found in the cells of living things?
8. Which statement about stereoisomers is correct?
9. Bad effect of food additives when take excessively is
10. What would you be able to do with a filter, magnet, or strainer when thinking about a mixture?
11. Alkane molecules are made of which elements?
12. Which of the following is the chemical symbolfor the element hydrogen?
13. How close a measurement is to the true value is called..
14. Which of the following is not evidence that a chemical reaction has occurred?
15. Group of elements whose ending e-configuration is s1, most reactive metals with the exception of hydrogen. Easily lose electrons.
16. Atoms are the basic units of .....
17. If the density of a liquid is 0.80 g/mL, what is its specific gravity? ( at Room Temp.)
18. The amount of space something takes up
19. Which of the following are pure substances?
20. The pH of milk is 6.4. Based on this information, which of the following statements best describes milk?
21. Ernst Rutherford discovered which part of the atom throught the use of gold foil?
22. Silvery grey iron filings (density = 7.87 g/cm3) are added to yellow sulfur powder (density = 1.96 g/cm3) in a test tube. The contents of the test tube were strongly heated until they glowed red without further heating to form a dark grey dull solid (density = 4.84 g/cm3), which cannot be separated by physical means. Which of the following best describes the dark grey, dull solid?
23. A ..... has a definite ratio of components
24. In order to survive, the flower sitting on the restaurant table needs water, carbon dioxide, andoxygen. What element do all three ofthese have in common?
25. This rule says that the amount of atoms in the reactants is equal to the amount of atoms in the products .....
26. How many protons does the elemental atom of nitrogen contain?
27. What does temperature measure?
28. What subatomic particles found in the nucleus have no charge?
29. The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms?
30. The branch of chemistry that would include testing water to determine how much lead is in it.
31. ..... is the branch of chemistry that would measure the amount of energy released or absorbed in chemical processes.
32. What is the unit used to measure ozone in the atmosphere?
33. The only element with no neutrons in its nucleus.
34. This causes the mass of the nucleus to increase.
35. What is the product of the oxidation of butan-2-ol?
36. The area that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change.
37. When choosing a material to make a product, such as a soft drink container, the most important factor is .....
38. Metals are found on the ..... side of the periodic table.
39. In general, metals are .....
40. A mixture where the solute does not mix with the solvent and can easily be separated (example:creates a solid that collects on top of the mixture) is called a
41. Chemistry is often called as .....
42. Which would dissolve faster
43. An atom with an unequal number of protons and electrons is said to have (a) .....
44. What is the correct name for the compound LiF?
45. When writing the chemical formula of a compound that contains more than one of a particular polyatomic ion, ..... must be used.
46. Which among the following is an example of something that is NOT MATTER?
47. Which action creates a new substance?
48. If you are observing luster, you are looking to see if an item is .....?
49. When bromine reacts with water. It will produce ..... solution.
50. In the 1980s what was the paradigm shift?
51. A substance that is formed as the result of a chemical reaction
52. Contains two or more elements chemically combined in a fixed position
53. In a solution which part of the solution is the solute:ice tea mix or water?
54. The atomic mass number is equal to which of the following?
55. What is the formula formed from atom A and Z? [Proton number of A = 11; Z = 8]
56. These contain only one kind of atom.
57. Deals with substances that are chemical combinations of elements other than carbon.
58. What is produced when lithium oxide dissolves in water?
59. What is the difference between an element and a compound?
60. Energy due to motion is ..... energy.
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