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प्रश्न
What are the similarities between acids and bases?
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उत्तर
- They are corrosive in nature.
- They undergo ionization in an aqueous solution.
- They conduct electricity in an aqueous solution.
- They undergo a neutralization reaction.
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संबंधित प्रश्न
Give one example in the following case:
A basic oxide which is insoluble in water.
Distinguish between acid and alkali (other than indicators).
Bases are soapy to touch when they are dry.
Which among the following is not a base?
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 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 |
Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution which was pink in colour. Boojho added two drops of solution ‘A’ in his test tube and got dark pink colour. Paheli added 2 drops of solution ‘B’ to her test tube and got green colour. Golu added 2 drops of solution ‘C’ but could not get any change in colour. Suggest the possible cause for the variation in their results.
Bases are chemical substances that are corrosive and ______ in taste.
Bases ionise in water to form ______ ions.
Which of the following solution is soapy to touch?
