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Question-1
In exothermic reaction, heat is
(A)
given out
(B)
absorbed
(C)
not involved
(D)
given out or absorbed
Question-2
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-3
Which of the following is a path function?
(A)
Internal energy
(B)
Enthalpy
(C)
Work
(D)
Entropy
Question-4
Which equation is correct for adiabatic process?
(A)
Q = + W
(B)
ΔQ = 0
(C)
ΔE = Q
(D)
p + Δ V = 0
Question-5
The temperature of the system decreases in an
(A)
adiabatic compression
(B)
isothermal compression
(C)
isothermal expansion
(D)
adiabatic expansion
Question-6
Reaction for the formation of NaCI is
(A)
N
2
(g) + CI
2
(g) → NaCl(s)
(B)
Na(s) +
1
/
2
Cl
2
(g) → NaCl(s)
(C)
Na(g) +
1
/
2
Cl
2
(g) → NaCl(s)
(D)
Na(g) + Cl
2
(g) → NaCl(g)
Question-7
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-8
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-9
Which of the given properties depends on the manner in which a change is brought about?
i. ΔE ii. q iii.w
(A)
ΔE only
(B)
q and ΔE
(C)
q and w
(D)
w only
Question-10
A process in which the system does not exchange heat with the surrounding is known as
(A)
isothermal
(B)
isobaric
(C)
isochoric
(D)
adiabatic
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Plus 1 Computer Science
Kerala (English Medium)
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Chemical Bonding and Molecular Structure
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Boron Family
Carbon Family
Oxygen Family
Classification of Elements & Periodicity
Classification of Elements & Periodicity
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