One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 224
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Fill-in-the-blank: The common method used to determine the effectiveness of removing impurities such as sulfur and phosphorus from acetylene gas is _____. The instrument used to detect excessive levels of sulfur and phosphorus is _____, and its smallest unit is _____. Test the color change using silver nitrate test strips; sulfur and phosphorus test tubes: 10PPM
The common method for assessing the effectiveness of removing impurities such as sulfur and phosphorus from acetylene gas is _____. What is used to detect excessive levels of sulfur and phosphorus is _____, and the smallest unit is_____
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Tested with AgNo3 test strip, sulfur and phosphorus test tubes – 10 PPM
This post was last edited by donglintang on 2015-6-17 22:37. Use silver nitrate test strips to check for color changes; sulfur and phosphorus test tubes: 10PPM
Determined by volumetric analysis Determined by volumetric analysis
The common method for assessing the effectiveness of removing impurities such as sulfur and phosphorus from acetylene gas is _____. The instrument used to detect excessive levels of sulfur and phosphorus is _____, and its smallest unit is _____.
The common method for determining the effectiveness of removing impurities such as sulfur and phosphorus from acetylene gas is __to test for color changes using *ao acid test strips___. To detect excessive levels of sulfur and phosphorus, __PH test strips__ are used, with the smallest unit being __7__.