Question

Bottle a contain oxalic acid and bottle b contain sodium carbonate when ph value is dipped each of the solution what changes is observed in totally and b

Answer 1

since bottle a contains an acid i.e. oxalic acid the colour off ph paper will be reddish orange and in bottle b there is a base I.e. sodium carbonate the colour of ph paper will be purple

Answer 2

Here is your answer mate....