CBSE Class 12 Chemistry Solutions Questions

CBSE Class 12 Chemistry Solutions Questions.CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

 

VSA QUESTIONS (1 - MARK QUESTIONS)
1. Give an example of ‘liquid in solid’ type solution.
2. Which type of solid solution will result by mixing two solid components with large difference in the sizes of their molecules?
3. What is meant by semimolar and decimolar solutions?
4. What will be the mole fraction of water in C2H5OH solution containing equal number of moles of water and C2H5OH? [Ans. : 0.5]
5. Which of the following is a dimensionless quantity : molarity, molality or mole fraction? [Ans. : mole fraction]
6. 10 g glucose is dissolved in 400 g. of solution. Calculate percentage concentration of the solution. [Ans. : 2.5% w/w]
7. Gases tend to be less soluble in liquids as the temperature is raised.Why?
8. State the conditions which must be satisfied if an ideal solution is to be formed.
9. A mixture of chlorobenzene and bromobenzene forms nearly ideal solution but a mixture of chloroform and acetone does not. Why?
10. How is the concentration of a solute present in trace amount in a solution expressed?
12. N2 and O2 gases have KH values 76.48 kbar and 34.86 kbar respectively at 293 K temperature. Which one of these will have more solubility in water?
 

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