英语翻译1.which of the following solutions has the lowest electr

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英语翻译
1.which of the following solutions has the lowest electrical conductivity?(all solutions are of the same concentartion)
a)ethanoic acid b) sodium chloride
2.a sample of air was shaken with an alkaline sloution of a compound called pyrogallol.The remaining gases collected put off a glowing splint.Which of the following gas(es) is /are removed by the alkaline pyrogallol?
a)oxygen b) carbon dioxide c) nitrigen
3.

4.HCI reacts with thefollowing substances.Which substance react to give a colourless solution
a）MgCO3 b）AgNO3

英语翻译1.which of the following solutions has the lowest electr

选 a
再问：为什么·？
再答：生成氯化银是白色沉淀
give a colourless
所以是a啊
再问：原来你说的是第4题.....(⊙o⊙)…我想请问的是第1.2.3，能不能回答下，谢谢...
再答： a乙酸b二氧化碳谢谢采纳
再问：能解释吗？第一题，好无语.....我要的不是答案....是为什么要这么做...谢谢

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