Daily Question 9.1 (Chinese Version)
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1. Please hide your replies; editing after posting is invalid! Delete directly without hiding! 2. Hiding method: http://bbs.hcbbs.com/thread-492556-1-1.html 3. 5 points for correct answers; there is a reward for everyone who participates. At the invitation of Version C, I’m temporarily posting one question per day. During this period, one question per day will be posed in English to improve everyone’s English skills. If you don’t like this format, let me know, and I will post one question in each of English and Chinese every day. Multiple-choice question: During electrolysis, if the electrolyte in the cell appears gray-purple, this indicates a. the presence of oxidized chloride ions in the cell, b. the presence of oxidized manganese ions in the cell, c. the presence of reduced iron ions in the cell, d. the presence of reduced manganese ions in the cell. b. The presence of oxidized manganese ions in the cell
Reply 1# FILTRATION-MAN BC moderator, an expert who can create questions in English! ! !
Reply to 1# FILTRATION-MAN: I’d like to add that the replies in this thread can be deleted by Banzhu after reading them. Why is your question a multiple-choice one, yet there is only one answer? ? ? ? I was tricked by your question; I racked my brains trying to come up with two answers, and it really frustrated me.
Reply 1# FILTRATION-MAN B
-- Haha, make sure you understand the definition of multiple-choice questions! --
-- Completely wrong, 5 points. Fully correct – 10 points plus 1 charm. Those that are somewhere in between get 10 points. --
Reply 1# FILTRATION-MAN B