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[ Post UTME Begins ]:
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Matter and Separation Techniques
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BASIC CHEMISTRY
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Basic Concepts of Organic Chemistry
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chemical symbols, formulae, equations and their uses
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IUPAC nomenclature of inorganic compounds using oxidation number
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General properties of metals
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Metals of the first transition series
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Alloy
Organic Compounds
Introduction to the tetravalency of carbon
Alkanes: Homologous series in relation to physical properties
Alkenes: Isomerism (structural and geometric isomerism)
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Aromatic hydrocarbons e.g. benzene - structure, properties and uses
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Carbohydrates
Proteins: Primary structures, hydrolysis and tests
Enzymes and their functions
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Chemical industries: Types, raw materials and relevances
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2231
What are the two gases associated with the formation of acid rain?
A.
CO
2
and HCI
B.
CO
2
and N
2
C.
CO
2
and NO
2
D.
HCI ans SO
2
View Answer & Discuss (2)
WAEC 2003
2232
Which of the following processes will pollute water?
A.
Exposure of a body of water ultraviolet rays
B.
Discharge of industrial effluents effluents into water ways
C.
Passage of river water through a send bed
D.
Addition of a measured quantity of chlorine to water
View Answer & Discuss
WAEC 2003
2233
The mass of an element is 27 and its atomic number is 13. What is the composition of the nucleus of its atom?
A.
13 electrons and 14 protons
B.
13 neutrons and 14 protons
C.
13 protons and 14 neutrons
D.
13 electrons and 14 neutrons
View Answer & Discuss
WAEC 2004
2234
Which of the following electron transition results in the emission of energy?
A.
3p to 3s
B.
3p to 4p
C.
2s to 2p
D.
1s to 2s
View Answer & Discuss (1)
WAEC 2004
2235
Which of the following properties of elements deceases generally across a period in the Periodic Table?
A.
Electronegativy
B.
Electron affinity
C.
Atomic radluc
D.
lonlzation energy
View Answer & Discuss
WAEC 2004
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