Chemistry Study Questions

244 Questions | Total Attempts: 375

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Chemistry Quizzes & Trivia

MLT


Questions and Answers
  • 1. 
    Calculate the mean of the following set of data. 12, 10, 4, 7, 8, 15, 7, 8, 9, 10
    • A. 

      10

    • B. 

      9

    • C. 

      7

    • D. 

      3

  • 2. 
    What is the final dilution of a 0.2 ml of patient sample mixed with 4.8 ml of water?
    • A. 

      1:5

    • B. 

      1:25

    • C. 

      1:50

    • D. 

      1:100

  • 3. 
    Express 350 mg/dl NaCl as MEq/L
    • A. 

      603 mEq/L

    • B. 

      60.3 mEq/L

    • C. 

      2030 mEq/L

    • D. 

      06 mEq/L

  • 4. 
    The weight of sodium sulfate that is needed to prepare 500 ml of a 23% solution is:
    • A. 

      141.8 g

    • B. 

      11.5 g

    • C. 

      23 g

    • D. 

      115 g

  • 5. 
    The weight of NaOH required to prepare 3000 ml of a 0.5 M solution is:
    • A. 

      60 g

    • B. 

      120 g

    • C. 

      120 mg

  • 6. 
    The amount of the Ba(OH)2 required to prepare 1 liter of 0.3 N barium hydroxide solution is:
    • A. 

      51.3 g

    • B. 

      25.65 g

    • C. 

      46.5 g

    • D. 

      23.25 g

  • 7. 
    The number of milligrams of Sodium Chloride required to prepare 3 liters of 0.2M solution is:
    • A. 

      34.8

    • B. 

      3480

    • C. 

      34800

    • D. 

      348000

  • 8. 
    How many milliliters of concentrated H2So4 (36N) is required to prepare 500 ml of 2/3 N H2SO4 solution?
    • A. 

      9.25 ml

    • B. 

      18.5 ml

    • C. 

      49 ml

  • 9. 
    What is the normality of a solution prepared by diluting 50 ml of 2.5 N NaOH to a final volume of 1 liter?
    • A. 

      0.025 N

    • B. 

      0.0125 N

    • C. 

      0.1250 N

    • D. 

      0.5 N

  • 10. 
    A microgram is:
    • A. 

      0.1 of a gram

    • B. 

      0.01 of a gram

    • C. 

      0.001 of a gram

    • D. 

      0.01 of a milligram

    • E. 

      0.001 of a milligram

  • 11. 
    A chloride concentration of 355 mg/dl is the same as:
    • A. 

      90 mEq/L

    • B. 

      85 mEq/L

    • C. 

      100 mEq/L

    • D. 

      95 mEq/L

  • 12. 
    How many ml of 0.1 N HCl will be prepared to neutralize 2 ml of 0.0985 N NaOH?
    • A. 

      0.0049 ml

    • B. 

      0.1 ml

    • C. 

      1.97 ml

  • 13. 
    A serum specimen was diluted 1:10, and this diluted solution was further diluted 1:3. What is the concentration of the final solution if the concentration of the diluted specimen is 20 mg%?
    • A. 

      200 mg%

    • B. 

      60 mg%

    • C. 

      600 mg%

  • 14. 
    A good analytical balance will have an accuracy to the nearest:
    • A. 

      0.1 g

    • B. 

      0.1 mg

    • C. 

      0.001 g

    • D. 

      0.0001 mg

  • 15. 
    20 ul is equivalent to:
    • A. 

      2 ml

    • B. 

      0.02 ml

    • C. 

      20000 ml

  • 16. 
    1 nanometer equals:
    • A. 

      1 millimeter

    • B. 

      0.001 millimeter

    • C. 

      0.000001 millimeter

    • D. 

      0.000000001 millimeter

  • 17. 
    1 milliliter equals:
    • A. 

      1 microliter

    • B. 

      100 microliters

    • C. 

      1000 microliters

    • D. 

      1000000 microliters

  • 18. 
    A serum sample of 0.5 ml is diluted with 2.0 ml of distilled water. The resulting dilution factor is:
    • A. 

      2

    • B. 

      5

    • C. 

      10

    • D. 

      20

  • 19. 
    1 gram equals
    • A. 

      1 million micrograms

    • B. 

      1000 milligrams

    • C. 

      0.001 kilograms

    • D. 

      All of these

  • 20. 
    What weight of sodium chloride is present in a molar solution?
    • A. 

      58 g

    • B. 

      35 g

    • C. 

      1116 g

    • D. 

      23 g

  • 21. 
    A one molar solution of sulfuric acid contains 98 gm. What would a one normal solution contain?
    • A. 

      98 g

    • B. 

      49 g

    • C. 

      196 g

    • D. 

      2 g

  • 22. 
    One equivalent weight per liter equals:
    • A. 

      100 milliequivalent weights per liter

    • B. 

      One milliequivalent weights per liter

    • C. 

      One milliequivalent weights per ml

    • D. 

      1000 milliequivalent weights per ml

  • 23. 
    98.6 degree F of body temperature is the same as:
    • A. 

      37 degrees C

    • B. 

      32 degrees C

    • C. 

      20 degrees C

    • D. 

      100 degrees C

  • 24. 
    Molarity is equal to:
    • A. 

      The normality times the positive valence

    • B. 

      The normality divided by the positive valence

    • C. 

      The normality times 2

    • D. 

      The normality divided by 2

  • 25. 
    What is the normality o a solution made with 100 grams of NaCl diluted to 1 liter with distilled water?
    • A. 

      1.0

    • B. 

      1.7

    • C. 

      2.0

    • D. 

      2.2

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