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प्रश्न
Give one example in the following case:
A base which is not an alkali.
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उत्तर १
Ferric hydroxide
उत्तर २
Copper hydroxide [Cu(OH)2]
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संबंधित प्रश्न
Give one example in the following case:
A basic oxide which is soluble in water.
All bases are alkalis.
Phenolphthalein gives ______ colour with lime water.
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.
Match the following:
| 1. | Sulphuric acid | a. | Weak base |
| 2. | Sodium hydroxide | b. | Strong acid |
| 3. | Acetic acid | c. | Strong base |
| 4. | Ammonium hydroxide | d. | Weak acid |
Bases ionise in water to form ______ ions.
Water-soluble bases are called ______.
______ are bitter in taste.
One of the events that does not occur during photosynthesis is ______.
A small amount of copper oxide was taken in a beaker and dilute hydrochloric acid was added with continuous stirring of the solution. Name the compound formed and state the colour of its solution. Write the balanced chemical equation for the reaction that occurs. Based on the reaction, state the nature (acidic/basic) of copper oxide.
