One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 24th
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Multiple-choice question: When reading a burette, for colorless or light-colored solutions, the point where the meniscus is tangent to the horizontal line should be taken at the ()； For dark solutions, the points where the meniscus is tangent to the horizontal line on both sides ( ) should be read. A. Lowest, lowest B. Highest, highest C. Lowest, highest D. Highest, lowest Answer: C, Lowest, highest
When reading a burette, for colorless or light-colored solutions, the point where the meniscus (C) is tangent to the horizontal line should be used； For dark solutions, the points where the meniscus is tangent to the horizontal line on both sides ( ) should be read. A、Lowest, lowest B、Highest, highest C、Lowest, highest D、Highest, lowest
When reading a burette, for colorless or light-colored solutions, the point where the meniscus (C) is tangent to the horizontal line should be used； For dark solutions, the points where the meniscus is tangent to the horizontal line on both sides (C) should be read. A、Lowest, lowest B、Highest, highest C、Lowest, highest D、Highest, lowest