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 chloride2.a sample of air was shaken with an alkaline sloution of a compound called pyrogall

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 chloride2.a sample of air was shaken with an alkaline sloution of a compound called pyrogall
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 electrical conductivity?(all solutions are of the same concentartion)a)ethanoic acid b) sodium chloride2.a sample of air was shaken with an alkaline sloution of a compound called pyrogall
选 a