A. 44/22400
B. 44/22.4
C. 22.4/44
D. None of these
Related Mcqs:
- The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is _____________ kg mole?
A. 1
B. 0
C. 16
D. 44 - Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the_______________?
A. Forestation
B. Rain
C. Green house effect
D. Vegetation - The density of a gas at N.T.P.is ‘ρ’. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?
A. 273°
B. 300°
C. 400°
D. 373° - 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 - If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?
A. N
B. N/2
C. 2N
D. 4N - Higher concentration of nitrogen dioxide in atmospheric air causes___________________?
A. Cancer
B. Bronchitis
C. Asphyxiation
D. Corrosion - TLV of ammonia, nitrogen dioxide and phenol vapor in air is ______________ ppm ?
A. 5
B. 100
C. 1000
D. 2000 - Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?
A. Fading of dyes on textiles
B. Corrosion, tarnishing & soiling of metals
C. Reduced strength of textiles
D. All A., B. and C. - Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?
A. 1
B. 2
C. 3
D. 4 - The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A. 2M
B. M/2
C. M
D. M/4
