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Question-1
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?
(A)
q = 0, ΔT < 0, w ≠ 0
(B)
q = 0, ΔT ≠ 0, w = 0
(C)
q ≠ 0, ΔT < 0, w = 0
(D)
q = 0, ΔT = 0, w = 0
Question-2
Which of the following is a path function?
(A)
Internal energy
(B)
Enthalpy
(C)
Work
(D)
Entropy
Question-3
Which is included in thermodynamic equilibrium from the following?
(A)
Pressure equilibrium
(B)
Chemical equilibrium
(C)
Thermo equilibrium
(D)
All of these
Question-4
The temperature of the system decreases in an
(A)
adiabatic compression
(B)
isothermal compression
(C)
isothermal expansion
(D)
adiabatic expansion
Question-5
Which equation is correct for adiabatic process?
(A)
Q = + W
(B)
ΔQ = 0
(C)
ΔE = Q
(D)
p + Δ V = 0
Question-6
Which of the following is not an endothermic reaction?
(A)
Dehydrogenation
(B)
Ethane to ethene
(C)
Combustion of propane
(D)
Change of chlorine molecule into chlorine atoms
Question-7
Thermodynamically the most stable form of carbon is
(A)
diamond
(B)
graphite
(C)
fullerenes
(D)
coal
Question-8
For exothermic reaction
(A)
H
R
= H
p
(B)
H
R
> H
p
(C)
H
p
>H
R
(D)
All of these
Question-9
Which is correct for an endothermic reaction?
(A)
ΔH is positive
(B)
ΔH is negative
(C)
ΔE is negative
(D)
ΔH = zero
Question-10
If W is the amount of work done by the system and q is the amount of heat supplied to the system, identify the type of the system
(A)
isolated system
(B)
closed system
(C)
open system
(D)
system with thermally conducting walls
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Plus 1 Computer Science
Kerala (English Medium)
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Classification of Elements & Periodicity
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