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Paper 1 | Objectives | 33 Questions
WASSCE/WAEC MAY/JUNE
Year: 1993
Level: SHS
Time:
Type: Question Paper
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Paper 1 | Objectives
Chemistry
Exam
1985
FREE
1988
1989
1990
1991
1992
1994
1995
1996
1997
2019
Government
1999
1979
Geography
2002
Mathematics (Core)
1993
Economics
2006
Biology
2011
Agricultural Science
Copper metal will react with concentrated trioxonitrate (V) acid to give?
A. Cu(NO3)3 + NO + N2O4 + H2O
B. Cu(NO3)2 + NO + H2O
C. CuO + NO2 + H2O
D. Cu(NO2)3 + NO2 + H2O
Which of the following separation is routinely applied in the petroleum industry
A. Filtration
B. Chromatography
C. Evaporation
D. Fractional crystallization
E. Fractional distillation
Starch undergoes complete hydrolysis to produce
A. maltose
B. lactose
C. fructose
D. glucose
E. sucrose
Which of the following solids has a network structure?
A. Diamond
B. lodine
C. Sulphur
D. Graphite
E. lron
Trioxosulphate (lV) acid is not stored for a long period because it
A. is a weak dibasic acid
B. has bleaching properties
C. is unstable and eaily decomposed
D. smells strongly of sulphur (lV) oxide
E. can act as a germicide
Alkanes are used mainly
A. in the production of plastics
B. as domestic and industrial fuels
C. in the textile industry
D. in the hydrogenation of oils
E. as fine chemicals
Which of the following pairs illustrates isotopy?
A. But-l-ene and but -2-ene
B. Ortho-hydrogen and parahydrogen
C. Oxygen and ozone
D. Hydrogen and deuterium
E. Alpha-particle and beta-particle
Preview displays only 7 out of the 33 Questions