01.
(a) Mention any four (4)
agro-chemicals that are produced in agriculture by the use of chemistry knowledge.
(b) How is chemistry applied
in the following areas?
i.
At home
ii.
In industries
iii.
In transport and communication
02.
(a) Mention at least two uses
of each of the following items found in the First Aid Kit
i.
Razor blade
ii.
Soap
(b) Why do you think it is important
to give first Aid to a victim? (Give any
five (5) points)
03.
(a) Give two reasons to why
non-luminous flame is used for cooking purposes.
(b) Differentiate luminous
from non-luminous flame
04.
(a) With three examples each,
define the following items:
i.
Chemical change
ii.
Physical change
iii.
Element
iv.
Compound
v.
Mixture
(b) Why some of medicine
(syrup) are labelled “SHAKE WELL BEFORE USE”?
05.
(a) Differentiate solution
from suspension
(b) Which method can be used
to separate each of the following mixtures?
i.
Iodine and sand
ii.
Ammonium chloride and sugar
iii.
Ethanol and water
iv.
Iron fillings and rice
