This test contains some questions from the material in Chapters 1.

1. Which of the following statements expresses a physical property?
A. Iron rusts.
B. Milk can become sour.
C. A magnet can attract iron.
D. Sodium reacts with chlorine to form common salt.



2. Which of the following statements expresses a chemical property?
A. Fruit ripens with time.
B. Copper sulfate crystals are brittle.
C. Glass is transparent.
D. Salt dissolves in water.



3. Which of the following statements regarding elements is false?
A. Different elements can be combined to form compounds.
B. Tungsten is an element.
C. An element is a pure substance.
D. An element can contain two pure substances.



4. Which of the following statements is false?
A. A compound is a pure substance.
B. A compound is a heterogeneous mixture.
C. A compound is composed of several pure substances.
D. A compound can be degraded to form simpler pure substances.



5. Two pure substances, X and Y, react to produce three pure substances. Which of the following statements can be deduced from this information alone?
A. Both X and Y are compounds.
B. Neither of the products is a compound.
C. Either X or Y is a compound.
D. One of the products is a compound.



6. Which of the following materials is not a mixture?
A. Milk
B. Urine
C. Ammonium chloride
D. Toothpaste



7. Which of the following abbreviations does not represent an SI unit?
A. K
B. mol
C. L
D. cd



8. A kilogram is approximately equal to:
A. 5 lb
B. 2 lb
C. 1 lb
D. 0.5 lb



9. A liter is approximately equal to:
A. 1 gal
B. 1 ft3
C. 1 pt
D. 1 qt



10. Which of the following statements is false?
A. Density is influenced by pressure.
B. Density is influenced by temperature.
C. Density is mass/volume.
D. None of the above



11. Which of the following statements is false?
A. Specific gravity is the density of a reference liquid divided by a test liquid.
B. Water is the standard for measuring the specific gravity of aqueous solutions.
C. A hygrometer is used to measure specific activity.
D. None of the above



12. If a substance X has a density of 1.35 g/cm3 and a mass of 150 mg, what volume does it occupy?
A. 111 mL
B. 0.111 mL
C. 203 mL
D. 0.9 mL



13. What is the equivalent of 22ºC in kelvins?
A. -5.6
B. 97
C. 295
D. None of the above



14. What is the equivalent of 400 K in degrees Farenheit?
A. 286
B. 88
C. 778
D. None of the above




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