【Daily Question】9.21 Reply +2； To +3
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This post was last edited by zjp on 2015-9-22 at 14:36. In order to increase the popularity of the chemical analysis section, the previous 【Weekly Topic】 activity has been replaced with a 【Daily Question】 activity; this aims to foster an active atmosphere for technical exchanges while also providing members with certain financial rewards. 【Daily Question】 (Single-choice question) What is the color of the paint applied to the outer surface of hydrogen gas cylinders? ( ) A. Gray B. Black C. Dark Green D. Sky Blue Please reply with your answer in the comments; answering the question earns you +2 wealth points. Getting all answers correct adds another +3 to +8 wealth points. Those who provide a thorough analysis or explanation of the questions and answers, or include detailed calculation processes, will receive additional wealth rewards. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. Note: We will close this post after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation.
C. Dark green. . . . . . . . . . . . . . . . .
The paint color applied to the outer surface of the hydrogen cylinder is (D. Sky Blue).
C, dark green----------------The national standard specifies light green
The paint color applied to the outer surface of the hydrogen cylinder is (C). A. Gray B. Black C. Dark green D. Sky blue
What is the color of the paint applied to the outer surface of the hydrogen cylinder? ( ) C
C. Dark green! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
The paint color applied to the outer surface of the hydrogen cylinder is (C). A. Gray B. Black C. Dark green D. Sky blue
What is the color of the paint applied to the outer surface of the hydrogen cylinder? ( ) C. Dark green
The paint color applied to the outer surface of the hydrogen cylinder is (C. Dark green).