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To increase the popularity of this section, a daily quiz campaign has been launched. The purpose of this campaign is: “Learn a little bit every day, and make significant progress over ten days.” I hope everyone will participate actively; by learning and making progress, you can also easily bring wealth home :) . Participation: Prize of 5 Wealth ; Correct answer: Reward of 10 wealth points ; Note: Questions from the same day will receive full feedback if answered on the same day; answers given the next day will earn 5-8 wealth points. This post is valid for 48 hours. http://bbs.hcbbs.com/static/image/hrline/2.gif Fill-in-the-blank: The phenomenon that occurs when iron sulfide comes into contact with is called the spontaneous combustion of iron sulfide. Answer: Air, combustion, petrochemical industry—\"Creative Ideas for Energy Saving\" campaign (the second phase is currently in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017: \"My Technical Upgrades\" in the coal chemical industry http://bbs.hcbbs.com/thread-1786290-1-1.html
The phenomenon in which iron sulfide burns when exposed to [air] is called the spontaneous combustion of iron sulfide
The phenomenon in which iron sulfide burns when exposed to air is called spontaneous combustion of iron sulfide
The phenomenon in which iron sulfide burns when exposed to air is called the spontaneous combustion of iron sulfide.