Q. What is the term for the process by which a solid changes directly to a gas?

उस प्रक्रिया को क्या कहते हैं जिसके द्वारा कोई ठोस सीधे गैस में बदल जाता है?

A
Melting
गलन
B
Boiling
उबलना
C
Sublimation
उच्च बनाने की क्रिया
D
Condensation
वाष्पीकरण

Explanation

Sublimation is a phase change where a solid directly turns into a gas without passing through the liquid state.
Example: Dry ice (solid CO₂) sublimates into gas at room temperature.

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