A. 5
B. 7
C. > 7
D. < 7
Stoichiometry
Stoichiometry
A. Solutes which dissociate or associate in the particular solution
B. Concentrated solutions
C. Both B. & C.
D. Solutions containing non-volatile solute
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
A. 57.46
B. -57.46
C. 114.92
D. -28.73
A. Boyle’s law
B. Amagat’s law
C. Raoult’s law
D. Trouton’s rule
A. -109.5
B. +109.5
C. +180
D. +100
A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve
B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite
C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture
D. Clapeyron equation is given by dP/dT = (λ/T) (VG – VL); where, P = vapor pressure, T = absolute temperature, λ = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively
A. To make 100 kg of a solution containing 40% salt by mixing solution A (containing 25% salt) and solution B (containing 50% salt), the amount of solution A required is 40 kg
B. 1.2 gm atoms of carbon and 1.5 gm moles of oxygen are reacted to give 1 gm mole of carbon dioxide. The limiting reactant is carbon. The percent excess reactant supplied is 25
C. A gas bubble at a pressure of Pg is passed through a solvent with a saturation vapour pressure of Ps. If the time of passage of the bubble is long and air is insoluble in the solvent, the mole fraction of solvent in the bubble will be equal to Ps/Pg
D. A supersaturated solution of a sparingly soluble solute, at a concentration of C, is being fed to a crystalliser at a volumetric flow rate of V. The solubility .of the solute is C1. The output rate of solids from an efficient crystalliser is (C + C1) V
A. Ten times dilution of a normal solution (N) reduces its normality to N/10
B. When equal weights of oxygen and methane are mixed in an empty reactor at room
temperature, then the fraction of total pressure exerted by the oxygen is 1/2
C. Volume occupied by 9.034 x 1023 atoms of oxygen in ozone (O3) at NTP will be 11200 c.c
D. One kg mole of an ideal gas at N.T.P occupies 22400 Nm3
A. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
B. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
C. 1 BTU/lb = 2.3 kcal/kg
D. 1 kcal/m3 = 0.1124 BTU/ft3
