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[ Post UTME Begins ]:
View The List Of Schools That Have Released 2026 Post-UTME Forms.
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BASIC CHEMISTRY
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Introduction to the tetravalency of carbon
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2371
Glucose reduces Fehling's solution on warming to
A.
copper (l) oxide
B.
copper (ll) oxide
C.
copper (l) chloride
D.
copper (ll) hydroxide
View Answer & Discuss (2)
WAEC 2007
2372
from the following ores is iron extracted? I. Haematite ll. Bauxite III. Magnetite IV. Cassiterite
A.
l and ll only
B.
l and lll only
C.
l, ll and lll only
D.
l, ll, lll and lV
View Answer & Discuss (1)
WAEC 2007
2373
Which of the following methods can be used to separate a mixture of two miscible liquids with different boiling points?
A.
Decantation
B.
Distillation
C.
Evaporation
D.
Filtration
View Answer & Discuss (4)
WAEC 2007
2374
The following substances are heavy chemicals except
A.
sodium trioxocarbonate (IV)
B.
tetraoxosulphate (VI) acid
C.
lead (lV) tetraethyl
D.
sodium hydroxide
View Answer & Discuss (1)
WAEC 2007
2375
Pig-iron is brittle because it contains
A.
a high percentage of carbon as impurity
B.
calcium trioxosilicate (IV)
C.
unreacted haematite
D.
undecomposed limestone
View Answer & Discuss
WAEC 2007
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