Which process converts a solid directly into a gas without passing through the liquid state? / कौन-सी प्रक्रिया ठोस को द्रव अवस्था से गुजरे बिना सीधे गैस में बदलती है?

Correct Answer / सही उत्तर

B. Sublimation / उर्ध्वपातन

Explanation / व्याख्या

Sublimation is the direct conversion of a solid into vapour or gas without passing through the liquid state. / उर्ध्वपातन वह प्रक्रिया है जिसमें ठोस द्रव अवस्था से गुजरे बिना सीधे वाष्प या गैस में बदल जाता है। ---

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