Question

red litmus paper is dipped in a solution it remains red what is this nature of the solution explain your answer

Answer 1

nature of the solution is acidic...acidic solution will change blue litmus to red and no change in red litmus

Answer 2

The nature of the solution is acidic. Acids don't show any color difference in red litmus paper. When Blue litmus paper is dipped in acids then the acids change the litmus paper to red.
And if we take a red litmus paper in a solution which change it to red to blue, then the solution is basic.