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प्रश्न
Write the main difference between an acid and a base.
उत्तर
| Acid-Base | Base |
| 1. Turns blue litmus red | 1. Turns red litmus blue |
| 2. Sour in taste | 2. Bitter in taste |
| 3. Release H+ ion in water | 3. Release OH- ion in water |
| 4. pH is less than 7 | 4. pH is more than 7 |
| 5. Example: HCI | 5. Example: NaOH |
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संबंधित प्रश्न
What colour do the following indicators turn when added to a base or alkali (such as sodium hydroxide)?
red cabbage extract
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Acids produce.......................... ions on dissolving in water.
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10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl. If we take 20 mL of the same solution of NaOH, the amount of HCl solution (the same solution as before) required to neutralise it will be:
(a) 4 mL
(b) 8 mL
(c) 12 mL
(d) 16 mL
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