Chemistry
Grade-10
Easy
Question
Complete the following analogy: Turmeric : Bright yellow :: ______: Colorless
- Methyl orange
- China rose
- Litmus paper
- Phenolphthalein
Hint:
The nonionized phenolphthalein molecule is colorless.
The correct answer is: Phenolphthalein
Turmeric is bright yellow. Phenolphthalein is colorless.
The nonionized phenolphthalein molecule is colorless and the double deprotonated phenolphthalein ion is fuchsia.
The analogy is Turmeric:bright yellow::phenolphthalein:colorless
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