Easy Science Class 9 Level 2

Evaporation occurs at which surface?

वाष्पीकरण किस सतह पर होता है?

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Correct Answer

B. द्रव की सतह पर / At the surface of liquid

Explanation

Step 1: Identify the concept: this is about evaporation. Step 2: Evaporation happens from the surface of liquid and can occur below boiling point. Step 3: Remember surface process equals evaporation.

Step 1: concept पहचानें: यह evaporation से जुड़ा है। Step 2: Evaporation liquid की surface से होता है और boiling से कम temperature पर भी हो सकता है। Step 3: Surface process equals evaporation याद रखें।

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