[Soda Ash Knowledge] Daily Question (64) 2009.12.06
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Please hide the reply; no scoring will be given in principle if it is not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 Posts that have been edited are not rated. (The questions in this issue are taken from page 5 of \"Technical Worker Training Question Bank – Soda Ash Production Operators.\" An electronic version of this book is available for download in the soda ash information sharing area at http://bbs.hcbbs.com/thread-13140-1-2.html) Fill-in-the-blank questions: 4. The explosion limit of ammonia is ( ), and its auto-ignition temperature is ( ) °C. 5. Ammonia has an irritating effect on a person’s ( ), ( ). 6. Theoretically, to produce 1 ton of soda ash and 1 ton of ammonium chloride, (100%) ammonia is required in ( ) kg. 7. In the alkali industry, ammonia is used as the main raw material for ( ), and as an auxiliary raw material for ( ).
4. 15.7%~27.4%, 651 5. Cornea, respiratory tract mucosa 6. 317.8 7. Double-alkali method, ammonia-alkali method
4.15.7%~27.4%, 651 5. Cornea, respiratory tract mucosa 6.317.8 7. Double-alkali method, ammonia-alkali method
4.15.7%~27.4%, 651 5. Cornea, respiratory tract mucosa 6.317.8 7. Double-alkali method, ammonia-alkali method
4 15-28% 650 5 Eyes, moist skin 6 333 and 318 7 Ammonium chloride, soda ash
4. 15.7%-27.4%, 651 5. Cornea, respiratory tract mucosa 6. 317.8 7. Double-alkali method, ammonia-alkali method
4.15.7%～27.4% 5. Cornea, respiratory tract mucosa 6.317.8 7. Double-alkali method, ammonia-alkali method
4. The explosive limit of ammonia is (15.7%~27.4%), and its auto-ignition temperature is (651)°C. 5. Ammonia is irritating to the human (cornea) and (respiratory tract mucosa). 6. Theoretically, 317.8 kg of ammonia (100%) is required to produce 1 ton of soda ash and 1 ton of ammonium chloride. 7. In the alkali industry, ammonia is used as the main raw material in the Solvay process, and as an auxiliary raw material in the ammonia-soda process.
15.7%–27.4%, 651 corneas, respiratory tract mucosa 317.8; double alkali method, ammonia-alkali method 1# chen3jun
4 15.7%-27.4% 651 5 Cornea Mucosa of exhalatory organs 6 317.8 7 Alkali fusion method Ammonia-alkali method
4. 15.7%–27.4%, 651 5. Cornea, respiratory tract mucosa 6. 317.8 7. Double-alkali method, ammonia-alkali method