Question

A knife, which is used to cut a fruit was immediately dipped into water containing drop of blue litmus solution. if colour of the solution is changed to red, what inference can be drawn about the nature of the fruit and why.?

Answer 1

A knife which is used to cut a fruit was immediately dipped into water containing drop of blue Litmus Paper if the colour of a solution change to read so it means that the fruit is acidic in nature because acid changes the litmus blue into red