Q. Pick out the wrong statement.

View solution

Q. Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

View solution

Q. In physical adsorption, as compared to chemisorption, the

View solution

Q. 1 BTU/lb.←°F is equivalent to __________ kcal/kg.°C.

View solution

Q. The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation

View solution

Q. For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to

View solution

Q. Which of the following gravity scales is used exclusively for liquids heavier than water ?

View solution

Q. For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

View solution

Q. Osmotic pressure of the solution can be increased by

View solution

Q. Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

View solution

Q. 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

View solution

Q. A solution with reasonably permanent pH is called a/an __________ solution.

View solution

Q. The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.

View solution

Q. Pick out the wrong unit conversion of heat transfer rate.

View solution

Q. A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

View solution

Q. The crystallisation of a solute from a solution may be done by

View solution

Q. At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

View solution

Q. 1 kg/m² is equal to __________ mm water column.

View solution

Q. An equation for calculating vapour pressure is given by, log₁₀ P = A - B(t + c). This is called the

View solution

Q. The value of the gas-law constant 'R' is 1.987

View solution