MPSC Rajyaseva 2021 CSAT — Question 32
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समुद्रपातळीवर असलेल्या प्रयोगशाळेत वापरण्यासाठी, वर्षाच्या कोणत्याही दिवशी खालीलपैकी सगळ्यात योग्य संहति एकक/एकके _________ हे/ही आहे/आहेत. On any day of the year, to use in laboratories at sea level the most correct concentration unit/s is/are _________.
1)फक्त ग्रॅमरेणुता / Only molarity
2)फक्त प्रसामान्यता / Only normality
3)फक्त मोललता / Only molality✓ Correct
4)वरील सर्व / All of the above
Molality is independent of temperature because it is expressed in terms of mass of solvent (kg), whereas molarity and normality depend on volume which varies with temperature.
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