Why do water droplets appear on cold glass when we breathe onto it?

ICSE Class 9 Answered

Why do water droplets appear on cold glass when we breathe onto it?

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM

Expert Answer

When we gently breathe onto a cold surface such as a piece of glass, the water droplets appearing on the surface prove the presence of moisture in the expired air.

Answered by | 04 Jun, 2014, 03:23: PM

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ICSE 9 - Biology

Explain Asphyxiation and Hypoxia.

Asked by anumoludeepak9923.9sdatl | 08 May, 2020, 10:41: AM

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ICSE 9 - Biology

When we are breathing why do we sometimes take deep breaths and not normal ?

Asked by anumoludeepak9923.9sdatl | 08 May, 2020, 10:10: AM

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ICSE 9 - Biology

On 1 page of Selina Concise Biology Revised Edition for Class IX it is mentioned that tissue respiration means the diffusion of gases and cellular respiration means chemical change occuring inside the cell. BUT on another page it is written that tissue respiration is a chemical process. Which is correct ? Is tissue respiration a physical or a chemical process ? What is the difference between cellular and tissue respiration ??

Asked by kalpanasingh.uto | 03 Oct, 2019, 01:24: PM

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ICSE 9 - Biology

What is the benefit of residual volume of air in the respiratory process ?

Asked by pranil.patil | 27 Feb, 2018, 01:00: PM

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