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Question-1
Which of the following is a path function?
(A)
Internal energy
(B)
Enthalpy
(C)
Work
(D)
Entropy
Question-2
Which is correct for an endothermic reaction?
(A)
ΔH is positive
(B)
ΔH is negative
(C)
ΔE is negative
(D)
ΔH = zero
Question-3
One mole of an ideal gas is initially at 0
o
C and 1 atm pressure. If it absorbs 1000 cal heat during a reversible isothermal expansion, what will be its final volume?
(A)
102.5L
(B)
242.5L
(C)
22.4L
(D)
121.25L
Question-4
In exothermic reaction, heat is
(A)
given out
(B)
absorbed
(C)
not involved
(D)
given out or absorbed
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
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
Question-7
The temperature of the system decreases in an
(A)
adiabatic compression
(B)
isothermal compression
(C)
isothermal expansion
(D)
adiabatic expansion
Question-8
In _______ process, work is done at the expense of internal energy.
(A)
isothermal
(B)
isochoric
(C)
adiabatic
(D)
isobaric
Question-9
Thermodynamically the most stable form of carbon is
(A)
diamond
(B)
graphite
(C)
fullerenes
(D)
coal
Question-10
Which of the following is always negative for exothermic reaction?
(A)
ΔH
(B)
ΔS
(C)
ΔG
(D)
None of these
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Plus 1 Computer Science
Kerala (English Medium)
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Chemical Bonding and Molecular Structure
Environmental Chemistry
Boron Family
Carbon Family
Oxygen Family
Classification of Elements & Periodicity
Classification of Elements & Periodicity
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