Chemistry
Chemistry past questions and answers from WAEC and JAMB
Page 2
a.
The mass of a unit volume of the gas compared to equal volume of water vapour
b.
The mass of a unit volume of the gas compared to equal volume of hydrogen
c.
The mass of a unit volume of the gas compared to equal volume of oxygen
d.
The mass of a unit volume of the gas minus the vapour pressure of water
a.
is formed naturally
b.
is cheap
c.
can be recycled after use
d.
cannot be regenerated when used up
a.
Atomization
b.
Electronegativity
c.
Electron affinity
d.
Ionization
a.
They are good conductors of electricity
b.
They ionize by electron loss
c.
Their oxides are acidic
d.
They have high melting points