Chemistry
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Past Questions
Question 1966
waec 1996
a
colourless
b
a cooling agent
c
alkaline to litmus
d
a reducing agent
e
very soluble in water
Question 1969
waec 1996
a
carbon (IV) oxide and sodium hydride
b
carbon (IV) oxide and soudium trioxocarbonate (IV)
c
sodium trioxocarbonate (IV) and steam
d
carbon (IV) oxide and steam
e
sodium trioxocarbonate (IV) carbon (IV) oxide and steam
Question 1970
waec 1996
a
variable oxidation states
b
tendency to form complext ions
c
formation of coloured ions
d
ability to act as catalyst
e
low melting points
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