Q. Avogadro's number is equal to

View solution

Q. The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.

View solution

Q. The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm.

View solution

Q. With rise in temperature, the solubility of ammonia in water at a fixed pressure

View solution

Q. If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.

View solution

Q. The temperature at which a real gas obeys Boyle's law is termed as the

View solution

Q. Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the

View solution

Q. Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

View solution

Q. The heat evolved in the combustion of benzene is represented by the equation:

C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole

The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole.

View solution

Q. Pick out the wrong statement about the recycle stream in a process.

View solution

Q. Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

View solution

Q. An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is

View solution

Q. Which of the following ideal gas laws are not applicable to mixture of gases ?

View solution

Q. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

View solution

Q. If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

View solution

Q. A saturated vapor on being compressed would

View solution

Q. Pick out the wrong unit conversion of thermal conductivity.

View solution

Q. Cᵨ - Cᵥ, for an ideal gas is equal to

View solution

Q. Which of the following is insensitive to changes in pressure ?

View solution

Q. The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the

View solution