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Matter and its states practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.

Question language / प्रश्न भाषा

Dry ice is chemically ______.

शुष्क बर्फ रासायनिक रूप से ______ है।

Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।

A

Solid CO₂ठोस CO₂

✓

B

Solid H₂Oठोस H₂O

C

Solid O₂ठोस O₂

D

Solid N₂ठोस N₂

Correct Answerसही उत्तर

A. Solid CO₂A. ठोस CO₂

Explanationव्याख्या

Dry ice is the solid form of carbon dioxide (CO₂).

शुष्क बर्फ कार्बन डाइऑक्साइड (CO₂) का ठोस रूप है। ---

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Why does dry ice not leave a liquid residue under ordinary atmospheric conditions?सामान्य वायुमंडलीय परिस्थितियों में शुष्क बर्फ द्रव अवशेष क्यों नहीं छोड़ती?Same topic · Same subject · Same exam

Which latent heat is involved when ice changes into water?बर्फ के पानी में बदलने पर कौन-सी गुप्त ऊष्मा संबंधित होती है?Same topic · Same subject · Same exam

During the melting of pure ice at 0°C under constant pressure, the temperature ______ until melting is complete.स्थिर दाब पर 0°C की शुद्ध बर्फ के पिघलने के दौरान, गलन पूरा होने तक तापमान ______।Same topic · Same subject · Same exam

At normal atmospheric pressure, the melting point of ice in Kelvin is approximately ______.सामान्य वायुमंडलीय दाब पर बर्फ का गलनांक केल्विन में लगभग ______ है।Same topic · Same subject · Same exam

Which change of state occurs when ice melts?बर्फ के पिघलने पर कौन-सा अवस्था परिवर्तन होता है?Same topic · Same subject · Same exam

Which change occurs when ice absorbs latent heat of fusion at 0°C?0°C पर बर्फ गलन की गुप्त ऊष्मा अवशोषित करती है तो कौन-सा परिवर्तन होता है?Same topic · Same subject · Same exam

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