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प्रश्न
Complete the following table and write your observations.
| Hydrogen sulphide | Ammonia | Sulphur dioxide | Hydrogen chloride | |
| Shake the gas with red litmus solution |
उत्तर
| Hydrogen sulphide | Ammonia | Sulphur dioxide | Hydrogen chloride | |
| Shake the gas with red litmus solution |
No change |
blue |
No change |
No change |
संबंधित प्रश्न
Explain, why a universal indicator is preferred to acid-base indicators.
Two solutions A and B have pH values of 2 and 9 respectively which one of these two will give a pink colour with phenolphthalein indicator?
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Define the following term : pH scale
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Mention the colour changes observed when the following indicator is added to acid: Alkaline phenolphthalein solution.
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Write the approximate colour of the following sample with the universal indicator: Gastric juice
If a solution changes the colour of litmus from red to blue, what can you say about its pH?
Choose the odd one out & give a reason:
