Question

Which substance forms an oxide which when dissolved in water turns red litmus to blue?

Answer 1

Answer:

I think magnesium ribbon

Explanation:

Answer 2

Explanation:

In an acidic or neutral solution, red litmus paper remains red. In an alkaline solution, red litmus paper turns blue. When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline.