What is the effect of potassium hydroxide solution on litmus paper?

Turns blue litmus to green

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Turns blue litmus to red

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Turns red litmus to green

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Turns red litmus to blue

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Solution

The correct option is D Turns red litmus to blue
Litmus paper is an indicator which is used to test if a substance is acidic or basic in nature. Acid turns blue litmus paper red and base turns red litmus paper blue.
Potassium hydroxide $(KOH)$ is a base. Therefore, it turns red litmus paper blue.

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Similar questions

Indicator litmus test on diluted hydrochloric acid, diluted sodium hydroxide, diluted nitric acid can you show the effect of litmus paper, effect on turmeric paper, effect on China rose

What happens when [5 MARKS]

a) A red litmus paper is dipped in a solution of calcium hydroxide.

b) A red litmus paper is dipped in a solution of sodium chloride.

c) A blue litmus paper is dipped in lemon juice.

d) A red litmus paper is dipped in distilled water.

e) A solution of sodium hydroxide is added to turmeric.

A Drop of colourless liquid was placed on blue litmus paper. The litmus paper turned red. The liquid could be :
(1) dilute hydrochloric acid
(2) dilute sodium hydroxide solution
(3) distilled water
(4) sodium bicarbonate solution

What is the effect of sodium chloride on litmus paper?

Q. What will be the effect of lime water, salt solution, vinegar, milk, sea water and curd on blue litmus paper?

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What is the effect of potassium hydroxide solution on litmus paper?

The correct option is D Turns red litmus to blueLitmus paper is an indicator which is used to test if a substance is acidic or basic in nature. Acid turns blue litmus paper red and base turns red litmus paper blue. Potassium hydroxide (KOH) is a base. Therefore, it turns red litmus paper blue.

The correct option is D Turns red litmus to blue
Litmus paper is an indicator which is used to test if a substance is acidic or basic in nature. Acid turns blue litmus paper red and base turns red litmus paper blue.
Potassium hydroxide $(KOH)$ is a base. Therefore, it turns red litmus paper blue.