The vapor pressure of water at 100°C is__________________?
(A) 100 N/m2
(B) 76 cms of Hg
(C) 13.6 cms of Hg
(D) 760 mm wc
The OH- concentration in a solution having pH value 3 is____________________?
(A) 10-3
(B) 10-10
(C) 10-11
(D) 10-13
Kinetic theory of gases stipulates that, the____________________?
(A) Energy is lost during molecular collisions
(B) Molecules possess appreciable volume
(C) Absolute temperature is a measure of the kinetic energy of molecules
(D) None of these
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because_________________?
(A) The strong base and strong acid reacts completely
(B) The salt formed does not hydrolyse
(C) Only OH- and H+ ions react in every case
(D) The strong base and strong acid reacts in aqueous solution
Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?
(A) 57.46
(B) -57.46
(C) 114.92
(D) -28.73
Which of the following is followed by an ideal solution ?
(A) Boyle’s law
(B) Amagat’s law
(C) Raoult’s law
(D) Trouton’s rule
The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?
(A) -109.5
(B) +109.5
(C) +180
(D) +100
Which of the following is not correct for a reversible adiabatic process ?
(A) TVγ-1 = constant
(B) p1-γ.TY = constant
(C) PVγ = constant
(D) None of these
Recycling in a chemical process facilitates___________________?
(A) Increased yield
(B) Enrichment of product
(C) Heat conservation
(D) All