Blue litmus will change into red litmus by which of these followings?

Soap solution

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Milk of magnesia

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Window cleaner

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Grape juice

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Solution

The correct option is D
Grape juice

Grape juice has tartaric acid in it. Acids change the colour of blue litmus paper to red.

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Similar questions

Q. Lime juice will turn

(a) blue litmus red
(b) methyl orange yellow
(c) red litmus blue
(d) phenolphthalein pink

Q. Identify us.
"I convert blue litmus into red."
"I convert red litmus into blue."
"I do not change colour of any litmus."

Which of the following substances will change the colour of red litmus into blue?

Choose the correct option regarding the statements given below:

Statement 1: Blue litmus changes into red in acidic medium.
Statement 2: Red litmus changes into blue in basic medium.
Statement 3: Blue litmus changes into red in basic medium.
Statement 4: Red litmus changes into blue in acidic medium.

Q. Which of the following statement is true for acids?
(a) Bitter and change red litmus to blue
(b) Sour and change red litmus to blue
(c) Sour and change blue litmus to red
(d) Bitter and change blue litmus to red

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Blue litmus will change into red litmus by which of these followings?

The correct option is D Grape juiceGrape juice has tartaric acid in it. Acids change the colour of blue litmus paper to red.

The correct option is D
Grape juice

Grape juice has tartaric acid in it. Acids change the colour of blue litmus paper to red.