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प्रश्न
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 |
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उत्तर
| Column 1 | Column II | ||
| (a) | Tartaric acid | (iii) | unripe mangoes |
| (b) | Calcium hydroxide | (v) | lime water |
| (c) | Formic acid | (iv) | ant’s sting |
| (d) | Sodium hydroxide | (i) | soap |
| (e) | Lactic acid | (ii) | curd |
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संबंधित प्रश्न
Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution
Why do HCl, H2SO4, HNO3, etc., show acid character in aqueous solutions while solutions of compounds like C6H12O6 (glucose) and C2H5OH (alcohol) do not show acidic character?
The salt which will give a neutral solution on dissolving in water will be:
(a) CH3COONa
(b) NH4Cl
(c) KCl
(d) Na2CO3
What is the difference between an alkali and a metal hydroxide?
The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?
Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?
Which of the following statements is true for acids?
Which of the following metal does not react with sodium hydroxides?
To Interpret:
CH4 and NH3, are not acids.
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 |
