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प्रश्न
While playing in a park, a child was stung by a wasp. Some elders suggested applying paste of baking soda and others lemon juice as remedy. Which remedy do you think is appropriate and why?
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उत्तर
Wasp sting injects a liquid into the skin which is acidic in nature. Hence, baking soda is applied as it is basic in nature and neutralises the acid.
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संबंधित प्रश्न
Which chemical is injected into the skin of a person during the nettle leaf hair sting?
How can the effect of these stings be neutralised?
What happens during a wasp sting? What is its remedy?
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| Column (A) | Column (B) |
| (a) Lactic acid | Tamarind |
| (b) Acetic acid | Lemon |
| (c) Citric acid | Vinegar |
| (d) Tartaric acid | Curd |
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HCl + H2O → ______ + ______.
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Zn + ______ → Na2ZnO2 + H2 ↑
Complete the following equation.
CaO + H2SO4 → ______ + H2O
