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When a student was stung by a stinging nettle plant, a teacher applied an aqueous solution of ammonia to the affected area of the skin, and the student was relieved of pain.

Explain why the student was relieved of the pain and state the importance of the aqueous solution of ammonia in the affected area of the skin. (2 marks)



Answer :

GinnyAnswer

Final answer:

An aqueous solution of ammonia relieved the student's pain by inducing an endothermic reaction, leading to a cold compress that reduced swelling.


Explanation:

The student was relieved of pain after being stung by a nettle plant because the teacher applied an aqueous solution of ammonia. The ammonia solution is important for providing relief by causing an endothermic reaction that absorbs heat from the surroundings, creating a cold compress that reduces swelling and pain.


Learn more about Endothermic reaction and pain relief here:

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