A solution 'X' give orange colour when a drop of it falls on pH paper, while another solution 'Y' gives bluish colour when a drop of it falls on pH paper. What is the nature of both the solutoins? Determine the pH of solution 'X' and 'Y'?

What happens to the colour of litmus paper when a drop of acid falls on it ?

Solution A gives pink colour when a drop of phenopthalein indicator is added to it. Solution B gives red colour when a drop of methyl orange is added to it. What type of solutions are A and B and which one of the solutions A and B will have a higher pH value?

(a) Define a universal indicator. Mention its one use. (b) Solution A gives pink colour when a drop of phenolphthalein indicator is added to it. Solution B gives red colour when a drop of methyl orange is added to it. What type of solutions are A and B which one of the solutions A and B will have a higher pH value ? (c) Name one salt whose solutions has pH more than 7 and one salt whose solution has pH less than 7.

(a) Define a universal indicator . Mention its one use. (b) Solution A gives pink colour when a drop of phenolphthalein indicator is added to it. Solution B gives red colour when a drop of methyl orange is added to it. What type of solutions are A and B which one of the solutions A and B will have a higher pH value ? (c) Name one salt whose solutions has pH more than 7 and one salt whose solution has pH less than 7.

What is the colour of pH paper in NaCl solution?

A solution does not change the colour of litmus paper . What would be the pH value of the solution ?

(a) Define a universel indicator. Mention its one use. (b) Solution A gives pink colour when a deop of phenolphthalein indicator is added to it. Solution B gives a red colour when a drop of methyl orange is added to it. What type or solution are A and B and which of these will have higher pH value ? (c) Name one salt whose solution has pH less then 7 and one salt with pH more than 7.