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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

Which of the following correctly matches the change of state with its process?

निम्नलिखित में से कौन अवस्था परिवर्तन और उसकी प्रक्रिया का सही मिलान 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 → Liquid — Fusionठोस → द्रव — गलन

✓

B

Liquid → Gas — Condensationद्रव → गैस — संघनन

C

Gas → Liquid — Sublimationगैस → द्रव — उर्ध्वपातन

D

Solid → Gas — Freezingठोस → गैस — जमना

Correct Answerसही उत्तर

A. Solid → Liquid — FusionA. ठोस → द्रव — गलन

Explanationव्याख्या

Fusion or melting converts a solid into a liquid.
Liquid-to-gas is vaporisation, gas-to-liquid is condensation, and solid-to-gas is sublimation.

गलन या पिघलना ठोस को द्रव में बदलता है।
द्रव से गैस वाष्पन, गैस से द्रव संघनन और ठोस से गैस उर्ध्वपातन कहलाता है।

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Which change of state occurs during condensation?संघनन के दौरान कौन-सा अवस्था परिवर्तन होता है?Same topic · Same subject · Same exam

Which change of state occurs during vaporisation?वाष्पन के दौरान कौन-सा अवस्था परिवर्तन होता है?Same topic · Same subject · Same exam

Which change of state occurs during freezing?जमने के दौरान कौन-सा अवस्था परिवर्तन होता 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 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?Same topic · Same subject · Same exam

Which statement best describes the role of temperature and pressure in changing the state of matter?पदार्थ की अवस्था बदलने में तापमान और दाब की भूमिका को कौन-सा कथन सबसे अच्छी तरह बताता है?Same topic · Same subject · Same exam

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