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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

In which state is diffusion generally the fastest?

किस अवस्था में विसरण सामान्यतः सबसे तेज होता है?

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

A

Solidठोस

B

Liquidद्रव

C

Gasगैस

✓

D

Crystalline solidक्रिस्टलीय ठोस

Correct Answerसही उत्तर

C. GasC. गैस

Explanationव्याख्या

Gas particles move at high speeds and have large intermolecular spaces, so diffusion is fastest in gases.

गैस के कण उच्च गति से चलते हैं और उनके बीच अधिक अंतराअणुक स्थान होता है, इसलिए गैसों में विसरण सबसे तेज होता है।

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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

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?Same topic · Same subject · Same exam

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

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