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Paper 1 | Objectives | 36 Questions
WASSCE/WAEC MAY/JUNE
Year: 1994
Level: SHS
Time:
Type: Question Paper
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Paper 1 | Objectives
Chemistry
Exam
1985
FREE
1988
1989
1990
1991
1992
1993
1995
1996
1997
Agricultural Science
2009
Fine Arts
2018
Mathematics (Core)
2005
Geography
1998
Christian Religious Knowledge/Education/Studies (CRS/CRK/CRE)
2006
Government
2015
Economics
1986
English Language
The components of universal indicator solution can best be separated by
A. chromatography
B. filtration
C. evaporation
D. crystallization
E. fractional distillation
The number of replaceable hydrogen atoms in one acid indicates its
A. basicity
B. acidity
C. alkalinity
D. reactivity
E. pH value
Catalytic hydrogenation of alkenes produces compounds with the general formula
A. CnH2n+1 OH
B. CnH2n+1
C. CnH2n+2
D. CnH2n-2
E. Cx(H2O)y
A measure of the degree of disorder in a chemical system is known as the
A. enthalpy
B. free energy
C. activation energy
D. entrophy
E. equilibrium
In any chemical reaction, the total mass of the products is always equal to that of the reactants. This is statement of the law of
A. definite proportion
B. conservation of matter
C. multiple proportions
D. reciprocal proportions
E. constant composition
Which of the following is not a property of magnesium oxide?
A. High melting point
B. Dissolution in polar solvents
C. Presence of ionic bonds
D. Possession of crystal lattice
E. Low binding energy
Which of the following would increase the rate of reaction of chips of a metal M as shown in the equation below? M(s) + 2HCI(aq) → MCI2(aq) + H2(g)
A. Diluting the hydrochloric acid
B. Adding some distilled water
C. Decreasing the temperature
D. Grinding the metal into powder
E. Increasing the pressure
The oxidation number of phosphorus in PO 3/4 is
A. + 1
B. +2
C. +3
D. +4
E. +5
Preview displays only 8 out of the 36 Questions