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प्रश्न
What is the difference between an alkali and a base?
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उत्तर
| Alkali | Base | |
| 1. | An alkali is a basic hydroxide that, when dissolved in water, produces hydroxyl (OH−) ions, the only negatively charged ions. | A base is a chemical compound that, when reacting with a hydronium ion or H+ ions furnished by an acid, forms salt and water only. |
| 2. | All alkalis are water soluble. | Bases may or may not be water soluble. |
| 3. | All alkalis are bases | All bases are not alkalis. |
| 4. | Examples are NaOH, KOH, Ca(OH)2. | Examples are CuO, Mg(OH)2. |
संबंधित प्रश्न
What do you understand by an alkali?
Give one example in the following case:
An oxide which is a base.
Why indicator does not get affected by salt?
Metal corrodes due to salts.
What is the term defined by the following?
A base which is soluble in water.
Sodium carbonate is commercially called ______.
Which of the following solution is soapy to touch?
Which of the following solutions do not conduct electricity?
Water-soluble bases are called ______.
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.
