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प्रश्न
Bases are soapy to touch when they are dry.
विकल्प
True
False
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उत्तर
Bases are soapy to touch when they are dry- false.
Correct statement:
Bases are soapy to touch only in aqueous media, not in dry nature.
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संबंधित प्रश्न
All bases are alkalis.
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Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution which was pink in colour. Boojho added two drops of solution ‘A’ in his test tube and got dark pink colour. Paheli added 2 drops of solution ‘B’ to her test tube and got green colour. Golu added 2 drops of solution ‘C’ but could not get any change in colour. Suggest the possible cause for the variation in their results.
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| 1. | Sulphuric acid | a. | Weak base |
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| 3. | Acetic acid | c. | Strong base |
| 4. | Ammonium hydroxide | d. | Weak acid |
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