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Explain 1. Evaporation causes cooling 2. …

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Explain 1. Evaporation causes cooling 2. A gas fills a vessel completely 3. Evaporation is faster in China dish as compared to test tube?

Posted by Harshit Negi 6 years, 1 month ago

CBSE > Class 09 > Science

3 answers

Pia Saini 6 years, 1 month ago

2.Gas fills a vessel completely because the particles of the gas move in all direction.Thus, a gas fills a vessel completely and a gas exert pressure on the wall on the container.

1Thank You

Pia Saini 6 years, 1 month ago

1. When evaporation occurs then the liquid absorb all the heat from the surrounding and take it with it and we feel cool and evaporation causes cooling because the heat energy is absorbed by surrounding particles.

1Thank You

Akshra Chaturvedi 6 years, 1 month ago

3.b'coz China dish has more area as compared to test tube and larger the area then faster the evaporatoion.... 1.the heated vapour inside the water will disappear or exits so the substance come to its normal temperature

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CBSE > Class 09 > Science