Question

which one of the following is not an indicator ? (a) Methyl orange (b) Phenolphthalein (c) Litmus (d) Antacid pill​

Answer 1

Answer:

c) Litmus is correct ans

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Answer 2

Answer:

Option (d) Antacid pill.

Explanation:

As per the options, Phenolphthalein, Litmus and Methyl Orange are indicators which are helpful to detect the presence of Acid or Base in a solution. But, Antacid pill helps to neutralizes stomach acidity and is used to relieve heartburn, indigestion or an upset stomach. So, Antacid pill is not an indicator.