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प्रश्न
Main constituent of base is ______.
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उत्तर
Main constituent of base is OH− ion.
संबंधित प्रश्न
Give one example in the following case:
A basic oxide which is soluble in water.
Oxides of metals are acidic in nature.
Write any four uses of bases.
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.
Sodium carbonate is commercially called ______.
Match the following:
| 1. | Wasp sting | a. | Milk of magnesia |
| 2. | Common salt | b. | Acetic acid |
| 3. | Organic acid | c. | Sodium chloride |
| 4. | Antacid | d. | Vinegar |
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 |
Which of the following solutions do not conduct electricity?
The nature of toothpaste commonly used is ______ in nature.
NaOH & KOH are strong bases.
