A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three
Related Mcqs:
- Residence time of methane in the atmosphere is___________________?
A. 3 – 7 days
B. 2 -3 days
C. 3 – 7 years
D. 2 – 3 years - The partial pressure exerted by the water vapours is called_______________?
A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Hydraulic pressure - Mostly elements have fractional atomic masses because of______________________?
A. Mass of an atom itself is in fraction
B. Atomic masses are average masses of isobars
C. Atmoic masses are average masses of isotopes proportional to their relative abundance
D. Atmoic masses are average masses of isotopes - Liquid gets the shape of the container when it is poured into it. Which one of the following reasons justifies it ?
A. Liquid do not have definite shape
B. Liquid do not have definite volume
C. Lieuid is highly compressible
D. Liquid molecules can slide over each other - Incomplete oxidation of methane in the limited supply of air forms ?
A. CO2 and H2O
B. CH3OH
C. CO + H2 + C
D. CO + H2O + C - The bond angle between hybrid orbitals in methane CH3 is___________?
A. 115.5°
B. 109.5°
C. 105. 7°
D. 180°Submitted by: Muhammad Ali Kunbhar
- Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____
A. 500⁰C
B. 700⁰C
C. 900⁰C
D. 1300⁰CSubmitted by: Aamir khan Hullio
- Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min - Which one is not the partial pressure of oxygen in the lungs ?
A. 0.1526 atm
B. 116 mm of Hg
C. 116 torr
D. 1 atm - During which process empty spaces between particles become minimum ?
A. ionization
B. condensation
C. fusion
D. evaporation
