Interaction to hazmat
bigill1
intercations_of_hazmat_unit_v.docx1. EPA uses what regulation to ban the use of compounds containing hexavalent chromium in cooling towers for air conditioners?
Answer
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TSCA |
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RCRA |
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EPCRA |
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FIFRA |
4 points
Question 2
1.
What two chemicals can be used medicinally to cure dermatitis (from a bacterial/fungal origin) and eliminate or reduce effluent gases from many industrial sources?
Answer
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Metallic nitrates and nitrites |
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Metallic sodium permanganate and potassium permanganate |
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Sodium hydroxide and hypochlorous acid |
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Phenol and phosgene |
4 points
Question 3
1.
Which of the following statements regarding oxidation numbers is FALSE?
Answer
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The oxidation number of a monoatomic ion is the same as its ionic charge, such that the oxidation number of calcium is +2. |
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Each oxygen in KMnO4 has an oxidation number of -2 and the oxidation number of K is +1; therefore, the oxidation number on Mn in this compound is +7. |
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The oxidation number of each atom in an element is zero, such that the oxidation number of Cl2 is +2. |
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H2S contains sulfur which as an oxidation number of -2. |
4 points
Question 4
1.
What type of chlorinated organic compounds has largely displaced the use of calcium hypochlorite in home swimming pool sanitation products?
Answer
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Bleach |
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Di- and tri-chloroisocyanuric acids |
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Chlorine dioxide |
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Ozone |
4 points
Question 5
1.
Which of the following statements concerning bulk storage of ammonium nitrate is FALSE?
Answer
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The height of the storage pile should be no higher than 36" from the roof or the supporting and spreader beams overhead. |
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Storage piles should be sized and arranged so that all material in the pile is moved out periodically. |
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Ammonium nitrate should not be accepted for storage when the temperature of the product exceeds 100 degrees Fahrenheit. |
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Blasting agents should never be stored in the same building. |
4 points
Question 6
1.
Oxidizers react with all of the following EXCEPT:
Answer
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fuels, oils, and sawdust. |
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coke and water. |
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lubricants and wood shavings. |
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vegetable fats and coal. |
4 points
Question 7
1.
Calcium hypochlorite is known by what name when it is used as a disinfectant in swimming pools?
Answer
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CHC |
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HTH |
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Multi-chlor |
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Clorox |
4 points
Question 8
1.
What two chemicals reacted violently to destroy the S.S. Grandcamp and kill 600 people off the coast of Texas City, Texas?
Answer
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Fuel oil and ammonium nitrate |
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Chromium oxychloride and potassium dichromate |
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Phenol and phosgene |
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Chlorine dioxide and sodium perchlorate |
4 points
Question 9
1.
What material can be used as an anesthetic by dentists and as a component in explosives?
Answer
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Trichloroisocyanuric acid |
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Sodium dioxide |
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Potassium chloride |
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Ammonium nitrate |
4 points
Question 10
1.
Potassium dichromate is a strong oxidizer and therefore incompatible with which of the following substances?
Answer
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Dilute acetic acid |
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Water and sodium hydroxide |
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Potassium hydroxide and water |
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Hydrochloric acid |
4 points
Question 11
1.
Give some examples of the types of hazardous chemicals, specifically oxidizers, stored in homes (such as those stored under counters and sinks, in garages/basements and in pump houses/sheds). Discuss the following: A) What problems and dangerous situations can result from the improper storage and use (i.e., mixing them together, etc.) of these chemicals? Describe potential hazardous material interactions. B) What government agency and statutes/regulation(s) govern for the labeling and registration of these hazardous household products?
Answer
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Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
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30 points
Question 12
1.
All ammonium compounds, which contain an ammonium ion (NH4+) and a negative ion, are thermally unstable. A. Discuss two ways that ammonium compounds decompose when they are heated. What chemical reaction is involved in the thermal decomposition of ammonium persulfate? B. What is the most likely reason OSHA requires ammonium nitrate to be segregated for sulfur or finely divided metals? Explain your answer. C. What is the most likely reason OSHA requires employers to protect flooring and handling areas in buildings against impregnation by ammonium nitrate and requires that the floors be constructed without open drains, traps, tunnels or pits into which molten ammonium nitrate could flow and be confined in the event of a fire?
Answer
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Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
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30 points
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