Chemistry Lab Study Guide Test.
Chemistry Lab Study Guide Test. How would you write the conversion reaction from oil to biodiesel? A)Oil + alcohol + catalyst - biodiesel + glycerol + catalyst B)Oil + alcohol + catalyst - biodiesel C)Biofuel + alcohol + catalyst - catalyst + biofuel + glycerol D)Oil + catalyst - biodiesel + glycerol + alcohol - CORRECT ANSWER A)Oil + alcohol + catalyst - biodiesel + glycerol + catalyst Which of the following hazards does not apply for methanol? A)Flammable B)Oxidizing C)Health Hazard D)Toxic - CORRECT ANSWER B)Oxidizing Which P-sentence indicates why you should work in the fume hood when using methanol? A)P363 and P330 B)P301 and P310 C)P210 and P233 D)P260 and P271 - CORRECT ANSWER D)P260 and P271 Methanol is volatile because it has a low boiling point. Have a look at the safety sheet. What is the boiling point of methanol? A)54 degrees Celsius B)76 degrees Celsius C)87 degrees Celsius D)65 degrees Celsius - CORRECT ANSWER D)65 degrees Celsius Why is it important to work in the fume hood during this step? A)Methanol gets very volatile at high temperatures. B)The magnetic stirrer splashes base in all directions C)Sodium hydroxide is flammable D)Produced biodiesel is explosive - CORRECT ANSWER A)Methanol gets very volatile at high temperatures.
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