Litmus paper is a natural indicator. A blue litmus paper turns red in acidic solutions and red litmus paper turns blue in basic solutions. Blue/red litmus paper does not change color in the presence of a neutral solution.
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Similar Questions
Q1
The two kinds of litmus paper are:
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Q2
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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Q3
what would happen if moist blue litmus paper and moist red litmus paper are introduced in the jar of hydrogen
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Q4
A greenish yellow gas of halogen family turns moist blue litmus paper red.
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Q5
A non-metal oxide was dissolved in water and then tested with both blue and red litmus papers. What will happen to the two litmus papers?