Question

Explain the effect of acids on methyl orange and litmus paper?

Answer 1

They both turn methyl orange and litmus paper red.

Explanation:

If you pour a few drops of acid into a methyl orange solution, you should the methyl orange solution turn red. Here is a picture to help you visualize:

If you dip a blue piece of litmus paper into a solution of acid, like nitric acid `(HNO_3)`, then it should turn the litmus paper red. If you dip a red piece of litmus paper, no colour change is observed. Again, here is a picture of the test in action:

I hope this helps!