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प्रश्न
It has been found that rubbing vinegar on the stung area of the skin of a person gives him relief. The person has been stung by:
(a) wasp
(b) ant
(c) honey bee
(d) nettle leaf hair
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उत्तर
wasp
When a wasp stings a person, it injects an alkaline solution into the person's skin. This causes high irritation and pain. Applying a weak acid, such as vinegar, to the wound neutralises the alkaline solution and soothes the pain.
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