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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 hydroxide which is highly soluble in water.
Give one example in the following case:
A basic oxide which is insoluble in water.
All bases are alkalis.
Write any four uses of bases.
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 |
What is the role of toothpaste in the prevention of tooth decay?
Water-soluble bases are called ______.
______ alkali has a relatively high percentage of alkali in its aqueous solution.
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.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A basic oxide.
