【Daily Question】20150817 – Coal-related knowledge (2 wealth points for replies, plus additional 3 wealth points for correct answers)

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This post was last edited by Zaza Ya on 2015-8-24 at 22:32. In order to increase popularity in the boiler area and meet the requirements of the region, the \"One Question per Day\" activity is launched to foster technical exchanges, liven up the atmosphere, and offer rewards; all members are welcome to participate actively. Nitrogen, oxygen, moisture, and ash are impurities in coal. ( ) Reply in the comments with the answer you think is correct (for true/false questions, an additional 3 points will be given for a correct response). 1. Participating in answering questions + 2 wealth points (set to automatically add wealth) ； 2. No additional points will be given for incorrect answers; a comment will provide the correct answer for reference ； 3. +3 points to wealth if the answer given is correct ； 4. When responding, provide a detailed explanation and analysis of the question or answer; depending on the quality of the response, an additional reward of 3 to 15 points in wealth will be given ； 5. Replies with correct answers and accurate explanations will be designated as the best reply (best assistance). Note: We will close this post after 72 hours to reveal the answers and explanations, as well as the best response (the best help provided).