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प्रश्न
Turmeric and litmus are ______ acid-base indicators.
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उत्तर
Turmeric and litmus are natural acid-base indicators.
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संबंधित प्रश्न
What is an indicator?
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase or decrease? Why?
Water is a neutral substance. What colour will you get when you add a few drops of universal indicator to a test-tube containing water?
What effect does the concentration of OH− ions have on the nature of a solution?
A solution turns blue litmus red. Its pH is likely to be ______.
The pH values of five solutions A, B, C, D and E are given below:
| A | 1 |
| B | 5 |
| C | 7 |
| D | 11 |
| E | 13 |
Which solution is
- weakly alkaline
- neutral
- strongly acidic
- strongly alkaline, and
- weakly acidic?
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Which of the following is not a natural indicator?
Acids and bases can be identified in the laboratory by ______.
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