" Equal volumes of all gases under similar conditions of temperature and pressure, contains equal number of molecules"
Law of Reciprocal proportion
Gay Lussac's Law combining volumes
Avogadro's law
None of these
What volume of 6mol Hcl and 2mol Hcl should be mixed to set two litres of 3mol Hcl?
2.5 L
1.5 L
3.5 L
4.5 L
Calculate the number of He atoms in 52g?
7.8386 × 1024
7.82 × 1024
7.828 × 1024
Calculate the percentage of nitrogen by mass in NH3 (Atomic mass of N = 14, H = 1 amu)?
83.2%
82.3%
81%
80%
---------------- is defined as the abundance of a constituent divided by the total volume of a mixture.
Mol
Volume of solute
Concentration
Density
Name the process used for refining of petroleum?
Fractional distillation
Distillation
Purification
Which of the following is an example of extensive property?
Viscosity
Volume
Pressure
_________ can be both homogeneous as well as heterogeneous.
Mixture
Pure substances
Elements
Distilled water
80g of H2 are reacts with 80g of O2 to form water. Find out the mass of water obtained?
640g
90g
40g
60g