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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
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-3
The temperature of the system decreases in an
(A)
adiabatic compression
(B)
isothermal compression
(C)
isothermal expansion
(D)
adiabatic expansion
Question-4
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-5
Which is correct for an endothermic reaction?
(A)
ΔH is positive
(B)
ΔH is negative
(C)
ΔE is negative
(D)
ΔH = zero
Question-6
Which of the following is always negative for exothermic reaction?
(A)
ΔH
(B)
ΔS
(C)
ΔG
(D)
None of these
Question-7
In _______ process, work is done at the expense of internal energy.
(A)
isothermal
(B)
isochoric
(C)
adiabatic
(D)
isobaric
Question-8
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-9
Minimum work is obtained when 1 kg of ____ gas expanded under 500 kPa to 200 kPa pressure at 0
o
C.
(A)
chlorine
(B)
oxygen
(C)
nitrogen
(D)
methane
Question-10
For exothermic reaction
(A)
H
R
= H
p
(B)
H
R
> H
p
(C)
H
p
>H
R
(D)
All of these
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Plus 1 Computer Science
Kerala (English Medium)
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Equilibrium
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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