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प्रश्न
Hibiscus flower is an example for natural indicator.
पर्याय
True
False
उत्तर
Hibiscus flower is an example for natural indicator- True.
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संबंधित प्रश्न
What colour do the following indicators turn when added to a base or alkali (such as sodium hydroxide)?
litmus
What colours do the following indicators turn when added to an acid (such as hydrochloric acid)?
litmus
Name two olfactory indicators?
Fill in the following blank with suitable words:
Alkalis have a pH.............. than 7.
Fill in the following blank with suitable words:
The more alkaline a solution, the............... the pH.
What effect does the concentration of OH− ions have on the nature of a solution?
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 |
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 |
Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red.
Name any two substances which can give solutions like B.
Turmeric and litmus are _________ acid-base indicators.
