Question

which is not a natural indicator 1 phenolphthalein 2 turmeric 3 litmus 4 china rose​

Answer 1

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Turmeric and litmus are natural

acid base indicators.

Phenolphthalein gives colourless

colour with lime water.

Answer 2

Answer:

PHENOLPHTHALEIN

Explanation:

IT IS NOT A NATURAL INDICATOR

IT IS A SYNTHETIC INDICATOR

EXAMPLE OF NATURAL INDICATOR-TURMERIC,LITMUS,CHINA ROSE,RED CABBAGE

EXAMPLE OF SYNTHETIC INDICATORS- phenolphthalein,MYTHYL ORANGE AND RED