Asked: U.P.P.C.S. (Mains) 2006medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
जब पानी में साधारण नमक मिलाया जाता है, तो पानी के क्वथनांक बिंदु और हिमांक बिंदु -
When common salt is dissolved in water, the boiling point and freezing point of water will -
SELECT CORRECT OPTION:
A
बढ़ जाएंगे
Both increase
B
घट जाएंगे
Both decrease
C
क्रमशः घटेंगे और बढ़ेंगे
Decrease and increase respectively
D
क्रमशः बढ़ेंगे और घटेंगे
Increase and decrease respectively
Correct
Official Solution & Explanation:
Correct Answer: Option D(क्रमशः बढ़ेंगे और घटेंगे)
पानी में नमक मिलाने पर क्वथनांक बिंदु बढ़ जाता है तथा हिमांक बिंदु घट जाता है।
Dissolving salt in water raises its boiling point and lowers its freezing point.
Subject: General Science•Topic: Heat and Thermodynamics•Subtopic: Heat and Thermodynamics
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