It is commonly observed during the rainy season th...

Question

It is commonly observed during the rainy season that water falling on roads and streets disappears after a few hours. Similarly, in summer, wet clothes dry up very soon. Do you know where this water goes? This water got converted into vapor is called evaporation. How does evaporation take place? Every substance is made up of very small particles

called molecules. These molecules are held together by strong forces of attrition called cohesive forces. These forces are opposed by the repulsive forces due to the motion of molecules. As long as the cohesive forces are far greater than the repulsive forces, the substance remains in the solid state. When the substance is heated up, it absorbs heat energy which the molecules area set up in rapid motion. This motion starts counterbalancing the cohesive force, matter changes from solid to liquid state. If the liquid is still heated, the molecules still move fast. When the force exceeds the cohesive force, the molecules of the liquid become free and escape into the air. It is how the liquid is converted into vapor. The liberation of the molecules from the liquid surface to the air is called evaporation.

This explains the drying up process of clothes. If the wet clothes are put under the sun, they dry up faster because at the rate of evaporation increases with the rise in temperature. It takes place more rapidly when the air is dry. That is why clothes dry up more quickly on a dry than on a damp cloudy day.

What is evaporation?

A. It is the force that separates molecules.
B. It is the motion of molecules of a substance.
C. Wet clothes dry up very soon in the sun. 
D. It is the conversion of water into vapor."
E. Water falling on the streets disappears after a few hours.

N. Mulyandini · Accepted Answer

Hai, Muhammad N! Kakak bantu jawab ya.

Jawaban benar soal ini adalah D. It is the conversion of water into vapor.

Soal menanyakan apa yang dimaksud dengan penguapan.

Jawaban untuk soal ini dapat ditemukan pada paragraf pertama teks, yaitu kalimat "This water got converted into vapor is called evaporation."

Arti dari kutipan tersebut adalah "Air ini diubah menjadi uap yang disebut penguapan.".

Dapat disimpulkan bahwa penguapan adalah perubahan air menjadi uap.

Jadi, jawaban yang benar adalah D. It is the conversion of water into vapor.

Semoga membantu ya!

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