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Grade 116 grade science

To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet.

Radhika Batra

13 Years agoGrade 11

2 Answers

Dinesh

12 Years ago

The warm and moist air coming out of mouth condenses into liquid water.This makes the glass wet.

Thanks & Regards,

Dinesh Sajnani

AskIITians Faculty

Adarsh

11 Years ago

The air from mouth helps to remove dust particles present in the spectacles.

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