【Daily Question No. 050】2017.08.26

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【Daily Question No. 050】August 26, 2017: Which of the following is not one of the three elements of combustion? (A) Combustible materials (B) Oxidizing agents (C) Nitrogen (D) The ignition point; the reference answer will become visible after recovery. Points can be earned by identifying the key points. Answer: C2017 Q&A Summary Thread (updates available now) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates available now) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (all updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Phase 2 is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Improvements” http://bbs.hcbbs.com/thread-1786290-1-1.html