常温下，下列各组离子在指定溶液中一定能大量共存的是_刷题宝

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常温下，下列各组离子在指定溶液中一定能大量共存的是（）

A：使石蕊试液变红的溶液中：I^﹣、MnO₄^﹣、NO₃^﹣、Na⁺

B：含有大量Fe³⁺的溶液：NH₄⁺、HCO₃^﹣、SO₄²^﹣、AlO₂^﹣

C：水电离出C（H⁺）=1.0×10^﹣¹²mol/L 的溶液：Cl^﹣、Na⁺、ClO^﹣、NH₄⁺

D：澄清透明的溶液：Cu²⁺、Fe³⁺、SO₄²^﹣、NO₃^﹣

上一题下一题 0.0难度选择题更新时间:2020-02-15 07:43:05

答案(点此获取答案解析）

D

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下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A

School Policy
◆Fighting, saying bad words and all other bad behavior will not be allowed.
◆Do not throw rocks, snowballs, sticks, waste paper or dirt on the school grounds.
◆Rollerblading (直排轮滑) is not allowed at school.
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Lunchroom Guide
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◆Students should go through the lunch line in a quiet and orderly manner.
◆Students should clean up their eating area before leaving the lunchroom.
                                 Meal Prices
Lunch: $1.5 daily          Weekly Lunch Ticket: $7.50
Breakfast: $0.80           Weekly Breakfast Ticket: $4.00
Extra meal: $0.45          Adult Lunch: $2.50

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