Which of these gases diffuse more quickly than oxygen ?
Which of these gases diffuse more quickly than oxygen ?
A. H2S
B. NO
C. Cl2
D. N2O
A. H2S
B. NO
C. Cl2
D. N2O
A. Compound
B. Element
C. Electrolyte
D. Mixture
In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
Air is an example of gas solution as it is an homogeneous mixture of several gases.
A. Molecules are surrounded by solvent molecules
B. Ions are surrounded by solvent molecules
C. Both ions and molecules are surrounded by solvent molecules
D. Both ions and molecules are surrounded by water molecules
A. yl
B. ase
C. one
D. al
A. Boron & Beryllium
B. Nitrogen & Phosphorous
C. Magnesium & Aluminium
D. Gallium & Helium
A. Ne, 4p2
B. Ar, 4s2
C. Ne, 4s2
D. Kr,4p2
A. 3P
B. P/3
C. 3P/T
D. 6P