11th Standard Syllabus & Materials
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TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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Published on: 10/11/2020
11th Standard Chemistry Gaseous State English Medium Free Online Test One Mark Questions 2020 - 2021
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.
Among the following, which is deadly poison?
CO2
HCN
HCI
NH3
2.
Which of the following is a triatomic gas at room temperature?
Oxygen
Helium
Ozone
Nitrogen
3.
Which one of the following is not a monoatomic gas?
Neon
Xenon
Argon
Oxygen
4.
The compressibility factor, z for an ideal gas is ________.
zero
less than one
greater than one
equal to one
5.
Which of the following is the correct mathematical relation for Charles' law at constant pressure?
\(V\propto T\)
\(V\propto t\)
\(V\propto \frac{1}{T}\)
all of above
6.
The scope of the plot between PV and P at constant temperature is _________
zero
1
\(\frac{1}{2}\)
\(\frac{1}{\sqrt2}\)
7.
Maximum deviations from ideal gas is expected from ___________
H2(g)
N2(g)
CH4(g)
NH3(g)
8.
The corrected term for pressure in the vanderwaal's equation of state is _____________
(V-b)
\(P+\frac { a }{ { V }^{ 2 } } \)
(b-V)
\(\frac { a }{ { V }^{ 2 } } \times P\)
9.
The inversion temperature for a gas is given by _______________
\(\frac { 2a }{ Rb } \)
\(\frac { a }{ Rb } \)
\(\frac { Rb }{ 2a } \)
\(\frac { Rb }{ a } \)
10.
Statement I: H2 when allowed to expand at room temperature it causes heating effect.
Statement II: H2 has inversion temperature much below room temperature.
Both statement I and statement II are true and statement II explains statement I.
Both statement I and statement II are true but statement II does not explain statement I.
Statement I is true but statement II is false.
Both the statements are false
11.
The compressibility factor is given by _____________
Z = PV
Z = nRT
\(Z=\frac { nRT }{ PV } \)
\(Z=\frac { PV }{ nRT } \)
12.
25g of each of the following gases are taken at 27°C and 600 mm Hg pressure. Which of these will have the least volume?
HBr
HCI
HF
HI
13.
What is the density of N2 gas at 227o C and 5.00 atm pressure? (R = 0.082 L atm K-1 mol-1 )
1.40 g/L
2.81 g/L
3.41 g/L
0.29 g/L
14.
The units of Vander Waals constants 'b' and 'a' respectively ____________
mol L-1 and L atm2 mol-1
mol L and L atm mol2
mol-1L and L2 atm mol-2
none of these
15.
Four gases P, Q, R and S have almost same values of 'b' but their 'a' values (a, b are Vander Waals Constants) are in the order Q < R < S < P. At a particular temperature, among the four gases the most easily liquefiable one is __________
P
Q
R
S
16.
The table indicates the value of van der Waals constant 'a' in (dm3)2 atm. mol-2.
| Gas | O2 | N2 | NH3 | CH4 |
| a | 1.360 | 1.390 | 4.170 | 2.253 |
The gas which can be most easily liquefied is ______________
O2
N2
NH3
CH4
17.
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
18.
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.
(b)
HCN
2.
(c)
Ozone
3.
(d)
Oxygen
4.
(d)
equal to one
5.
(a)
\(V\propto T\)
6.
(a)
zero
7.
(d)
NH3(g)
8.
(b)
\(P+\frac { a }{ { V }^{ 2 } } \)
9.
(a)
\(\frac { 2a }{ Rb } \)
10.
(a)
Both statement I and statement II are true and statement II explains statement I.
11.
(d)
\(Z=\frac { PV }{ nRT } \)
12.
(d)
HI
13.
(c)
3.41 g/L
14.
(c)
mol-1L and L2 atm mol-2
15.
(a)
P
16.
(c)
NH3
17.
(b)
Near the hydrogen chloride bottle
18.
(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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