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प्रश्न
Give one example in the following case:
A base which does not contain a metal ion.
उत्तर
Ammonium hydronium (NH4OH)
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is highly soluble in water.
Distinguish between acid and alkali (other than indicators).
What is the difference between an alkali and a base?
Sodium hydroxide is a ______.
Give the significance of pH of soil in agriculture.
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 |
Look at Figure 5.1 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? The 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 ______.
Sodium carbonate is commercially called ______.
Name the base which is present in a window cleaner.
