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प्रश्न
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
विकल्प
Basic
Either acidic or basic
Either acidic or neutral
Either basic or neutral
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उत्तर
Either acidic or neutral
Explanation:
Colour of the phenolphthalein does not change with acidic or neutral solution.
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संबंधित प्रश्न
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Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
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What does the acidity of the base mean?
NaOH & KOH are strong bases.
