Balaji Chemistry Book Class 12. We covered all the Balaji Chemistry Book Class 12 in this post for free so that you can practice well for the exam.
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Balaji Chemistry Book Class 12 Objective for Students
The heat of combustion of ethylene is -337 Kcal. If 5.6 Lit of O2(g) is used at STP, in the combustion heat produced is
(A) 28.08 Kcal
(B) 14.04 Kcal
(C) 42.06 Kcal
(D) 56.16 Kcal
Option a – 28.08 Kcal
The enthalpy is the maximum for
(A) 10 gms of water
(B) 10 g of ice
(C) 10 gms of steam
(D) Same to all
Option c – 10 gms of steam
In which process is net work done is zero
(A) Cyclic
(B) Adiabatic
(C) Free Expansion
(D) Isochoric
Option c – Free Expansion
Enthalpy (H) equal to
(A) Internal energy (v)
(B) Product of pressure (P) and volume (V)
(C) Internal energy (U + PV)
(D) Work done by a system
Option c – Internal energy (U + PV)
Calculate the work done when 1 mol of an ideal gas is compressed reversibly from 1 bar to 4 bar at a constant temperature of 300 K.
(A) 4.01 kJ
(B) 3.458 kJ
(C) 18.02 kJ
(D) -14.01 kJ
Option b – 3.458 kJ
We covered all the Balaji chemistry book class 12 above in this post for free so that you can practice well for the exam.
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