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प्रश्न
All bases are alkalis.
विकल्प
True
False
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उत्तर
All bases are alkalis- False.
Correct statement:
All alkalis are base, but all bases are not alkalis.
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संबंधित प्रश्न
Give one example in the following case:
A base which is not an alkali.
Why indicator does not get affected by salt?
Match the important chemicals given in Column (A) with the chemical formulae given in Column (B)
| Column (A) | Column (B) |
| (a) Plaster of Paris | Ca(OH)2 |
| (b) Gypsum | CaSO4. 1/2 H2O |
| (c) Bleaching Powder | CaSO4.2H7O |
| (d) Slaked Lime | CaOCl2 |
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
Water-soluble bases are called ______.
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 |
What are bases?
______ 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.
