Which of the following when dissolving in water forms a solution which is non-conducting?

Which of the following when dissolved in water forms a solution which is non-conducting?

Which of the following when dissolved in water forms a solution which is nonconducting ?

Which one of the following dissolved in water forms a solution that is non conducting? Indian saltpetre Potash alum Green vitriol Ethyl alcohol

Which of the following oxides when dissolved in water gives a solution which turns blue litmus red?

Solute when dissolved in water: