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Paper 1 | Objectives | 38 Questions
WASSCE/WAEC MAY/JUNE
Year: 2010
Level: SHS
Time:
Type: Question Paper
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Paper 1 | Objectives
Chemistry
Exam
1985
FREE
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
Biology
2009
Agricultural Science
2004
2003
2012
Economics
Mathematics (Core)
2015
2008
Which of the following equations represents beta decay?
A. \(\frac{14}{7}\)N + \(\frac{4}{2}\)He → \(\frac{8}{17}\)O + \(\frac{1}{1}\)H
B. \(\frac{8238}{92}\)U → \(\frac{234}{90}\)Th + \(\frac{4}{2}\)He
C. \(\frac{8238}{92}\)U → \(\frac{239}{93}\)Np + \(\frac{0}{-1}\)e
D. \(\frac{13}{7}\)N + \(\frac{4}{2}\)He → \(\frac{16}{8}\)O + \(\frac{1}{1}\)H
The energy change which accompanies the addition of an electron to a gaseous atom is
A. atomization
B. electron affinity
C. electronegativity
D. ionization
Which of the following elements is a d-block element?
A. Calcium
B. lron
C. Lithium
D. Silicon
Which of the following statements about chlorine and iodine at room temperature is correct?
A. Chlorine is gas and iodine is solid
B. Chlorine is liquid and iodine is gas
C. Chlorine and iodine are gases
D. Chlorine is solid and iodine is liquid
If X is a group lll element, its oxide would be represented as
A. X3O2
B. X3O
C. X2O3
D. XO3
Which of the following species correctly represented an ion of M with 13 protons and 10 electrons?
A. 10M 3+
B. 10M 3-
C. 13M 3+
D. 13M 3-
A solid substance with high melting and boiling points is likely to be a/an
A. covalent compound
B. dative covalent compound
C. electrovalent compound
D. non-metal
Which of the following molecules has a linear shape?
A. CH4
B. CO 2
C. H2S
D. NH 3
Preview displays only 8 out of the 38 Questions