Question

(a) methyl orange ⇒ yellow (b) methyl red ⇒ yellow (c) bromo thymol blue ⇒ orange what is the ph of the solution?

Answer 1

NATURAL INDICATORS :1.TURMERIC - ...2.CHINA ROSE PETALS : ...3.LITMUS : ...4.RED CABBAGE JUICE : Red cabbage juice turns blue in a basic solution but it shows a distinct red colour in an acidic solution.SYNTHETIC INDICATORS :1.PHENOLPHTHALEIN :Its original colour is colourless.