The maximum mass is present in 1dm3 for the following gas at STP.

A. C₃H₈
B. CO₂
C. CO
D. CS₂

Submitted by: Aamir khan Hullio

Related Mcqs:

24g of an unknown gas occupied 8.4dm3at STP, Identify the gas among the following
A. SO₃
B. SO₂
C. C₆H₆
D. C₃H₈
Submitted by: Aamir khan Hullio
0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?
A. Value of a
B. Mass
C. Atoms
D. Both B and C
For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?
A. 1/2dm3
B. 1/3dm3
C. 1/4dm3
D. 2/3dm3
Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
A. 16 gmol-1
B. 32 gmol-1
C. 48 gmol-1
D. 64 gmol-1
Mass spectrometer is used to determine Mass number of isotopes and___________________?
A. Atomic number
B. Relative abundance
C. Electronic configuration
D. All of the above
A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?
A. 74% Fe
B. 75% Fe
C. 77% Fe
D. 78% Fe
Submitted by: Muhammad Ali Kunbhar
Atomic mass of an atom is present in the __________?
A. Shell
B. Orbit
C. Nucleus
D. Orbital
Submitted by: Aamir khan Hullio
In water, Hydrogen is present ________by mass.
A. 22%
B. 11.11%
C. 31.13%
D. 15.15%
Submitted by: Aamir khan Hullio
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
A. 3P
B. P/3
C. 3P/T
D. 6P
Submitted by: Muhammad Ali Kunbhar
The mass of 3.2 moles of ammonia (NH3) gas?
A. 53.4 grams
B. 54.4 grams
C. 55.4 grams
D. 56.4 grams
Submitted by: Muhammad Ali Kunbhar