2 litres of nitrogen at N.T.P. weighs ______________ gms ?
2 litres of nitrogen at N.T.P. weighs ______________ gms ?
A. 14
B. 2.5
C. 28
D. 1.25
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Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?
Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?A. ΔH = 1 (+ ve) and Δ V = -ve
B. ΔH = 0
C. ΔV = 0
D. Both B. and C.Gases having same reduced temperatures and reduced pressures_________________?
Gases having same reduced temperatures and reduced pressures_________________?A. Deviate from ideal gas behaviour to the same degree
B. Have nearly the same compressibility factor
C. Both A. and B.
D. Neither A. nor B.Pick out the wrong unit conversion of heat transfer rate?
Pick out the wrong unit conversion of heat transfer rate?A. 1 kcal/hr= 1.163 Watt
B. 1 Watt = 1.163 kcal/hr
C. 1 BTU/ft2.hr = 2.712 kcal/m2.hr
D. 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2Unit of mass velocity is___________________?
Unit of mass velocity is___________________?A. kg/m.hr
B. kg/m2.hr
C. kg/hr
D. kg/m2The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?A. Relative humidity
B. Relative saturation
C. Percentage saturation
D. None of theseHeat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?
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