midterm problems 1

midterm problems 1 - Lecture 1 Practice Problems 1. Which...

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Lecture 1 Practice Problems 1. Which of the following should be done routinely in lab? a) eating or drinking at your lab bench b) using a Bunsen burner in the presence of diethyl ether c) placing broken glass in the glass disposal boxes d) wear fogged up safety goggles on forehead. 2. Which of the following should NOT be used in the case of a fire on a laboratory bench? a) fire extinguisher b) bucket of water c) sand d) telephone to call for help 3. The autoignition temperature of a solvent is defined as: a) the temperature when it spontaneously combusts b) the temperature at which a spark which cause a fire c) the lowest temperature which a vapor-air mixture about the surface of a liquid will ignite with spark d) the lowest temperature which the solvent vapor will ignite when presented with a heat source. 4. The upper and lower concentrations of fuel vapor that define a flammable or explosive range: a) flash point b) miscibility c) flammable limits d) pyrophoric concentration 5. Which compound is potentially the most dangerous and poses the greatest fire hazard?
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This homework help was uploaded on 04/17/2008 for the course CHEMISTRY 625 taught by Professor Waetzig during the Spring '08 term at Kansas.

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midterm problems 1 - Lecture 1 Practice Problems 1. Which...

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