Question

2. We experience a cooling sensation on the area wiped by a doctor with a cotton

soaked in clinical spirit before pricking an injection. explain​

Answer 1

Answer:

We feel a cooling sensation due to evaporation.

Explanation:

When the liquid is wiped on our skin,the surrounding area is very hot. Due to evaporation the liquid evaporates and let us feel cool in the specific area .

Answer 2

⇨ We experience a cooling sensation on the area wiped by a doctor with cotton after soaked in clinical spirit because

the clinical spirit evaporates for our body temperature itself (when it comes into contact) and creates a cooling effect

➤ This is what called as COOLING EFFECT OF EVAPORATION

This phenomenon can be observed in our daily life too.

FOR INSTANCE : AIR COOLER

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HOPE IT ASSISTS YOU

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