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प्रश्न
Name an acid used in a drink.
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उत्तर
Carbonic acid
संबंधित प्रश्न
How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
Which gas is usually liberated when an acid reacts with a metal?
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Name the natural indicator present in curry stain.
What effect does the concentration of H+ (aq) ions have on the nature of a solution?
Define the term ‘basicity’ of an acid.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Active metal -> Salt + hydrogen}\]
Which acid is used for getting chloride salt?
Match the substances in Column I with those in Column II.
| Column 1 | Column II | ||
| (a) | Tartaric acid | (i) | soap |
| (b) | Calcium hydroxide | (ii) | curd |
| (c) | Formic acid | (iii) | unripe mangoes |
| (d) | Sodium hydroxide | (iv) | ant’s sting |
| (e) | Lactic acid | (v) | lime water |
Complete the following equation.
CaO + H2SO4 → ______ + H2O
Match the following:
| 1. | The hardest substance in our body | a. | Aluminum phosphate |
| 2. | Citrus fruits | b. | Potash alum |
| 3. | Rice plant | c. | Insoluble in water |
| 4. | Double salts | d. | Acidic soil |
| 5. | Silver chloride | e. | Calcium phosphate |
| f. | Alkaline soil |
