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Litmus

Lime juice wi...

Question

Lime juice will turn

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

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Solution

(a) blue litmus red
Lime juice contains citric acid; therefore, it will turn a blue litmus paper 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. Sodium chloride will turn

(a) blue litmus red
(b) methyl orange yellow
(c) red litmus blue
(d) none of the above

The indicators which turn red in acid solution are :

(a) turmeric and litmus

(b) phenolphthalein and methyl orange

(c) litmus and methyl orange

(d) phenolphthalein and litmus

Q. Which of the following is incorrectly matched?

	Indicator	Colour change in basic medium
(1)	Litmus paper	Red to blue
(2)	Methyl orange	Orange to red
(3)	Phenolphthalein	Colourless to pink
(4)	Turmeric	Yellow to reddish brown

Q. What do we observe on pouring acetic acid on red blue litmus papers ?
(a) Red litmus remains red and blue litmus turns red.
(b) Red litmus turns blue and blue litmus remains blue.
(c) Red litmus turns blue and blue litmus turns red.
(d) Red litmus becomes colourless and blue litmus remains blue.

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