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English Translations » 历史存档[信息] » 【Daily Question】June 22: To improve the blast resistance ind

【Daily Question】June 22: To improve the blast resistance index, which other components are not currently added to gasoline in China?

2015-06-22View Original

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One daily activity question (single-choice question): To improve the anti-knock index, other components can be added to gasoline; however, the one that is not currently used in China is ( ). A. Tetraethyl lead B. Methyl tert-butyl ether C. Ethanol D. Methanol Answer: A. Tetraethyl lead Please participate actively to win prizes. +5 points for correct answers, +2 points for participation. One time per person only. Close this topic in two days.
Reply #22015-06-22
A, tetraethyl lead. It is because the exhaust emissions contain the toxic heavy metal lead.
Reply #32015-06-22
To improve the blast resistance index, other components can be added to gasoline; however, this method is not currently used in China. A. Tetraethyl lead
Reply #42015-06-22
To improve the blast resistance index, other components can be added to gasoline; however, (A) is not currently used in China. A. Tetraethyl lead B. Methyl tert-butyl ether C. Ethanol D. Methanol

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Translated at 2026-07-21 02:11:01

Original: https://bbs.hcbbs.com/thread-1409268-1-1.html

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