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प्रश्न
What is an indicator?
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उत्तर
An acid-base indicator is a chemical substance that indicates the acidic or basic nature of a solution by a suitable colour change.
संबंधित प्रश्न
Under what soil condition do you think a farmer would treat the soil of his fields with quick lime (calcium oxide) or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?
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Name the indicator which can give us an idea of how strong or weak an acid or base is.
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Neutral substances have a pH of ______.
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?
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Add a few drops of hibiscus indicator to the soap solution. What do you observe?
Lemon juice will turn ______.
