NEET CHEMISTRY PYQ'S
NCERT BASED Chapterwise - Topicwise Questions From Previous Year's Medical Entrance Exams (2010 - 2022) Invite Link :- https://t.me/+PNlbxj-1-3o1NThl
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3200
279. An ideal solution is formed when it's components -Anonymous voting
- Have no volume change on mixing.
- Have no enthalpy change on mixing
- Have both the above the characteristics
- Have high solubility
3010
278. All form ideal solution except-Anonymous voting
- C6H6 and C6H5CH3
- C2H6 and C2H5I
- C6H5Cl and C6H5Br
- C2H5I and C2H5OH
2410
280. If molality of the dilute solution is doubled, the value of molal depression constant (kf) will be-Anonymous voting
- halved
- tripled
- unchanged
- doubled
3210
277. Which of the following condition is not satisfied by an ideal solution?Anonymous voting
- βVmix=0
- βSmix=0
- βHmix=0
- Obey Raoult's law
2110
276. Which of the following is incorrect for ideal solution?Anonymous voting
- βHmix=0
- βUmix=0
- βP= Pobs-Pcalculated by Raoult's law=0
- βGmix=0
1810
275. The concentration unit, independent of temperature, would be-Anonymous voting
- Molarity
- Normality
- Weight volume percent
- Molality
1810
273. Which of the following compounds can be used as antifreeze in automobile radiators?Anonymous voting
- Methyl alcohol
- Glycol
- Nitro pheol
- Ethyl alcohol
2210
274. The mole fraction of the solute in one molal aqueous solution is?Anonymous voting
- 0.009
- 0.018
- 0.027
- 0.036
1910
271. Which of the following is depending on temperature?Anonymous voting
- Molarity
- Mole fraction
- Weight percentage
- Molality
2810
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