Courses

Industrial Chemistry 1b - Test 5


1. The density of water is:
    A. less than that of ice at 0 degrees C
    B. constant at all temperatures
    C. a maximum at 3.98 degrees C
    D. a minimum at 3.98 degrees C


2. Tremendous demand for bromine is generated in the:
    A. gasoline industry
    B. glass industry
    C. refrigeration industry
    D. drug industry


3. Which of the following should not be stored together?
    A. Chlorates and nitrates
    B. Sulfides and chlorides
    C. Mineral acids and cyanides
    D. Potassium persulfate and barium dioxide


4. The halogen which is liquid at room temperature is:
    A. bromine
    B. chlorine
    C. fluorine
    D. iodine


5. Which of the following is involved in a tertiary waste treatment process?
    A. Chlorine treatment
    B. Aluminum sulfate treatment
    C. Aeration
    D. Reverse osmosis


6. Quartz is:
    A. a carbonate
    B. a halide
    C. an oxide
    D. a chloride


7. The dominant minerals of the earth's crust are:
    A. silicates
    B. organic compounds
    C. oxides
    D. native elements


8. The most widely used product containing silicon is:
    A. transistors
    B. glass
    C. asbestos
    D. zeolite


9. The greatest demand for potassium salts is:
    A. in gunpowder
    B. in matches
    C. in the manufacture of cement
    D. as laboratory reagents


10. An intermediate product in the manufacture of rayon is called
    A. carbon disulfide
    B. cellulose
    C. a xanthate
    D. cellophane







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