Question

8.Which of the following indicators are used for strong acid and strong base.
a) Starch indicator
b) Methyl orange
c) Phenolphthalein
d) Methyl red

Answer this question if you can​

Answer 1

Which of the following indicators are used for strong acid and strong base.

Starch indicator

Answer 2

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Methyl orange or Phenolphthalein

Any indicator having pH range between 3.5 to 10 will identify the equivalence point. This means that any one of phenolphthalein, methyl orange or bromothylmol blue could be used as an indicator