Matter and its states practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
Why is solid carbon dioxide called "dry ice"?
Correct Answerसही उत्तर
A. It changes directly from solid to gas without forming liquid under ordinary pressureA. सामान्य दाब पर यह द्रव बने बिना सीधे ठोस से गैस में बदल जाती है
Explanationव्याख्या
Dry ice sublimes directly into carbon dioxide gas, so it does not leave behind a liquid like ordinary ice.
शुष्क बर्फ सीधे कार्बन डाइऑक्साइड गैस में उर्ध्वपातित हो जाती है, इसलिए सामान्य बर्फ की तरह द्रव नहीं छोड़ती। ---
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