Why do we determined the boiling point of a liquid?
Correct answer: C. To check its Purity and nature
- A. To check its Acidity and Basicity
- B. To Check temperature
- C. To check its Purity and nature
- D. None of These
Explanation
A liquid's boiling point is useful for identifying its nature and checking its purity, because dissolved impurities usually change the boiling temperature or broaden the boiling range. The likely mistake is choosing temperature, since boiling point is already a temperature rather than the purpose of measuring it.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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