11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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Published on: 27/08/2019
Gaseous State
Download 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 Test
1.
The standard atmospheric pressure is the pressure that supports a column of mercury exactly ___________ high at 0° C at sea level.
760mm
76 cm
both a & b
760 cm
2.
The instrument used for measuring atmospheric pressure is ________________
Beckmann thermometer
Galvanometer
Barometer
all the above
3.
The unit of pressure is _____________
Pascal
Torr
Bar
all the above
4.
Pressure is _____________
Force/ area
force x Area
Area/ force
Force / area \(\times\) volume
5.
Value of gas constant R is ____________
0.082dm3atm
0.987 cal mol-1 K-1
8.3 J mol-1 K-1
8 er mol-1 K-1
6.
At identical temperature and pressure, the rate of diffusion of hydrogen gas is 3\(\sqrt { 3 } \) times that of a hydrocarbon having molecular formula CnH2n-2. What is the value of n ?
8
4
3
1
7.
A bottle of ammonia and a bottle of HCI connected through a long tube are opened simultaneously at both ends. The white ammonium chloride ring first formed will be ___________
At the center of the tube
Near the hydrogen chloride bottle
Near the ammonia bottle
Throughout the length of the tube
8.
The temperatures at which real gases obey the ideal gas laws over a wide range of pressure is called ____________-
Critical temperature
Boyle temperature
Inversion temperature
Reduced temperature
9.
Which of the following is the correct expression for the equation of state of van der Waals gas?
\(\left( P+\frac { a }{ { n }^{ 2 }{ V }^{ 2 } } \right) (V-nb)=nRT\)
\(\left( P+\frac { na }{ { n }^{ 2 }{ V }^{ 2 } } \right) (V-nb)=nRT\)
\(\left( P+\frac { { an }^{ 2 } }{ { V }^{ 2 } } \right) (V-nb)=nRT\)
\(\left( \frac { P+{ n }^{ 2 }{ a }^{ 2 } }{ { V }^{ 2 } } \right) (V-ab)=nRT\)
10.
Gases deviate from ideal behavior at high pressure. Which of the following statement(s) is correct for non-ideality?
at high pressure the collision between the gas molecule become enormous
at high pressure the gas molecules move only in one direction
at high pressure, the volume of gas become insignificant
at high pressure the intermolecular interactions become significant
1.
(c)
both a & b
2.
(c)
Barometer
3.
(d)
all the above
4.
(a)
Force/ area
5.
(c)
8.3 J mol-1 K-1
6.
(b)
4
7.
(b)
Near the hydrogen chloride bottle
8.
(b)
Boyle temperature
9.
(c)
\(\left( P+\frac { { an }^{ 2 } }{ { V }^{ 2 } } \right) (V-nb)=nRT\)
10.
(d)
at high pressure the intermolecular interactions become significant
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
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Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
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Computer Applications
History
Computer Technology
Commerce
Computer Applications
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