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Byju's Answer
Standard VIII
Chemistry
Indicators
turn blue lit...
Question
_________ turn blue litmus red whereas _________ turn red litmus blue.
A
Bases, acids
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B
Acids, bases
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C
Acids, salts
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D
Salts, Acids
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Solution
The correct option is
B
Acids, bases
Acids turn blue litmus red whereas Bases turn red litmus blue.
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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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