Chemistry
Chemistry past questions and answers from WAEC and JAMB
Page 5
a.
argon and krypton
b.
krypton and xenon
c.
helium and argon
d.
argon and xenon
a.
Sodium oxide, Zinc oxide, Magnesium oxide
b.
Aluminum oxide, Calcium oxide, Zinc oxide
c.
Pottasium oxide, Lithium oxide, Carbon dioxide
d.
Silver oxide, Lead oxide, Sodium oxide
a.
Constituent particles acquire a greater kinetic energy
b.
Energy of vibration of particles of the solid is less than the intermolecular forces
c.
Constituent particles acquire energy above the average kinetic energy
d.
Energy of vibration of the particles of the solid equals the intermolecular forces