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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

According to the given text, the presence of an impurity generally causes the freezing point to ______.

दिए गए पाठ के अनुसार अशुद्धि की उपस्थिति सामान्यतः हिमांक को ______ करती है।

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

A

Decreaseघटाती है

✓

B

Increaseबढ़ाती है

C

Become 100°C100°C करती है

D

Remain unchangedअपरिवर्तित रखती है

Correct Answerसही उत्तर

A. DecreaseA. घटाती है

Explanationव्याख्या

A dissolved impurity generally lowers the freezing point of a liquid.

घुली हुई अशुद्धि सामान्यतः द्रव के हिमांक को कम करती है। ---

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What is the effect of adding a suitable impurity to a liquid on its freezing point?किसी द्रव में उपयुक्त अशुद्धि मिलाने पर उसके हिमांक पर क्या प्रभाव पड़ता है?Same topic · Same subject · Same exam

What is the effect of adding a suitable non-volatile impurity to a liquid on its boiling point?किसी द्रव में उपयुक्त अवाष्पशील अशुद्धि मिलाने पर उसके क्वथनांक पर क्या प्रभाव पड़ता है?Same topic · Same subject · Same exam

Which relation between atmospheric pressure and boiling point is generally correct?वायुमंडलीय दाब और क्वथनांक के बीच कौन-सा संबंध सामान्यतः सही है?Same topic · Same subject · Same exam

Which change occurs when water at its boiling point absorbs latent heat of vaporisation?क्वथनांक पर पानी वाष्पन की गुप्त ऊष्मा अवशोषित करता है तो क्या होता है?Same topic · Same subject · Same exam

Which of the following can occur below the boiling point of a liquid?निम्नलिखित में से कौन द्रव के क्वथनांक से नीचे भी हो सकता है?Same topic · Same subject · Same exam

Which of the following undergoes sublimation under ordinary atmospheric conditions?निम्नलिखित में से कौन सामान्य वायुमंडलीय परिस्थितियों में उर्ध्वपातन करता है?Same topic · Same subject · Same exam

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