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प्रश्न
What do you understand by an alkali?
एका वाक्यात उत्तर
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उत्तर
An alkali is a basic hydroxide which when dissolved in water produces hydroxyl ions (OH−) as the only negatively charged ions.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Main constituent of base is ______.
Oxides of metals are acidic in nature.
Wasp sting contains _______.
All bases are alkalis.
Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
Water-soluble bases are called ______.
What is the role of toothpaste in the prevention of tooth decay?
The nature of toothpaste commonly used is ______ in nature.
What does the acidity of the base mean?
NaOH & KOH are strong bases.
