Chemistry
Chemistry past questions and answers from WAEC and JAMB
Page 6
a.
which will not dissolve in water
b.
whose solution in water has a pH greater than 7
c.
whose solution in water has a pH less than 7
d.
whose solution in water has a pH of 7
a.
Activation energy is high
b.
A catalyst is required
c.
It occurs reversibly
d.
Heat energy is absorbed
a.
Carbon(IV)oxide
b.
Carbon(II)oxide
c.
Soda
d.
Glucose
a.
Carbon-14
b.
Phosphorus-32
c.
Cobalt
d.
Iodine-131