Question

A sample of water was alkaline both to methyl orange and

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.