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प्रश्न
Sodium hydroxide is a ______.
विकल्प
acid
base
oxide
alkali
उत्तर
Sodium hydroxide is a alkali.
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is insoluble in water.
Metal corrodes due to salts.
Salts are neutral.
Write the balanced equation for the reaction of:
A named acid and a named alkali.
All bases are alkalis.
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
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 ______.
Name the base which is present in a window cleaner.
One of the events that does not occur during photosynthesis is ______.
