| A science teacher has arranged the following; sets of test tubes as |
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| She asked the students to find out the incorrect statement about the above experimental set-up. |
A) Turmeric solution turns red in test tubes 1 and 3.
B) China rose indicator turns green in test tubes 2 and 4.
C) Methyl orange turns yellow in test tubes 1 and 3.
D) Phenolphthalein remains colorless in test tubes 2 and 4.
Correct Answer: B
Solution :
Solutions 1 and 3 are basic in nature hence, turn turmeric solution red, China rose indicator green, methyl orange yellow and phenolphthalein pink. Solutions 2 and 4 are acidic in nature hence, turn turmeric solution yellow, China rose indicator dark pink or magenta, methyl orange red and phenolphthalein colourless.
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