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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 11 Chemistry Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 11th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test1.
What is the molality of a 10% W/W aqueous sodium hydroxide solution ?
2.778
2.5
10
0.4
2.
3.
For a solution, the plot of osmotic pressure (\(\pi\)) verses the concentration (c in mol L–1) gives a straight line with slope 310R where 'R' is the gas constant. The temperature at which osmotic pressure measured is ____________
310 x 0.082 K
310oC
37oC
\({310\over 0.082}K\)
4.
The relative lowering of vapour pressure of a sugar solution in water is 3.5\(\times\)10–3. The mole fraction of water in that solution is ___________
0.0035
0.35
0.0035/18
0.9965
5.
Two liquids X and Y on mixing gives a warm solution. The solution is __________
ideal
non-ideal and shows positive deviation from Raoults law
ideal and shows negative deviation from Raoults Law
non-ideal and shows negative deviation from Raoults Law
1.
(b)
2.5
2.
(d)
3.
(c)
37oC
4.
(d)
0.9965
5.
(d)
non-ideal and shows negative deviation from Raoults Law
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Physics
Chemistry
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Business Maths and Statistics
Computer Science
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History
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Computer Applications
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