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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
Fresh milk from cows has a pH of 6. So how does the pH change when this milk is turned to curd? Explain your answer.
What is an olfactory indicator?
What is the pH of a neutral solution?
Name the indicator which can give us an idea of how strong or weak an acid or base is.
Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid?
What does the pH of a solution signify?
The pH values of six solutions A to F are given below:
A = 0, B = 11, C = 6, D = 3, E = 13, F = 8
Which of the above solutions are
- acids
- alkalis?
The pH values of three acids A, B and C having equal molar concentrations are 5.0, 2.8 and 3.5 respectively. Arrange these acids in order of the increasing acid strengths.
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?
Write a note on:
Litmus
