The indicator is a substance that shows different colours in acidic and basic solutions.

True

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False

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Solution

The correct option is A True
Acid-base indicators change the color to indicate the acid or basic nature of a substance.
Like : Litmus, Phenolphthalein, etc.

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Similar questions

Q. Indicator is a substance which shows different colors in acidic and basic solutions.

Question 6 (iv)
Mark ‘T’ if the statement is true and ‘F’ if it is false:

(iv) Indicator is a substance which shows different colours in acidic and basic solutions.

Q. Name two substances that have different colours in acidic and basic solutions. What is the general name for such substances?

Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions respectively are

Mark ‘T’ if the statement is true and ‘F’ if it is false:

(i) Nitric acid turns red litmus blue. (T/F)

(ii) Sodium hydroxide turns blue litmus red. (T/F)

(iii) Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water. (T/F)

(iv) Indicator is a substance which shows different colours in acidic and basic solutions. (T/F)

(v) Tooth decay is caused by the presence of a base. (T/F)

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The indicator is a substance that shows different colours in acidic and basic solutions.

The correct option is A TrueAcid-base indicators change the color to indicate the acid or basic nature of a substance.Like : Litmus, Phenolphthalein, etc.

The correct option is A True
Acid-base indicators change the color to indicate the acid or basic nature of a substance.
Like : Litmus, Phenolphthalein, etc.