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What is the approximate H-C-O bond angle in formaldehyde, H2C=O?
Q2: Which of the following is a
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Q25: Draw bond-line structures of all of the
Q36: What is the correct assignment of common
Q48: Which one of the following structures represents
Q51: Which of the following molecular formulae corresponds
Q52: Which of the following structures has a
Q53: Provide a neatly drawn figure to show
Q71: What is the approximate value of
Q77: What is the average amount of a