A) Carbon B) Calcium C) Colgate D) Copper E) Aluminium
A) 3 B) 2 C) 5 D) 6 E) 4
A) isotopy B) ionization C) hybridization D) eclipse E) allotropy
A) crystalline B) non-amorphous C) amorphous D) non-crystalline E) solid
A) animal charcoal B) wood charcoal C) coal D) diamond E) sugar charcoal
A) Coke B) Oxygen C) Diamond D) non of the above E) Graphite
A) Charcoal B) Diamond C) Coal tar D) Wood charcoal E) Graphite
A) graphite B) all of the above C) diamond D) charcoal E) wood
A) diamond B) wood C) graphite D) coal E) coke
A) Copper B) Iron C) Sharpener D) Graphite E) Diamond
A) butagonal B) octahedral C) hexagonal D) nonagonal E) pentagonal
A) decahedral B) hexahedral C) heptahedral D) all of the above E) octahedral
A) blue B) white C) pink D) purple E) colourless
A) metallic B) ionic C) dative D) covalent E) electrovalent
A) diamond B) coal C) wood D) none of the above E) graphite
A) sulphur B) pottasium C) hydrogen D) calcium tetraoxophosphate (v) E) phosphorus
A) 0-8 B) 0-7 C) 1-8 D) 6-7 E) 1-9
A) apex B) upside down C) vertical D) horizontal E) lateral
A) apex B) horizontal C) backward D) lateral E) vertical
A) 1-7 B) 0-7 C) 1-5 D) 1-8 E) 0-8
A) gone B) upcoming C) reversal D) transition E) reversible
A) group1 B) group 3 C) group 4 D) group 2 E) group 0
A) group 5 B) group 7 C) group 8 D) group 9 E) group 6
A) group10 B) group 0 C) group 5 D) group 3 E) group 2
A) 2 B) 3 C) 5 D) 4 E) 6
A) 74gmol B) 58.5gmol C) 24gmol D) 47gmol E) 74.5gmol
A) Nitrogen B) Noble vapour C) Carbon(iv)oxide D) Water vapour E) Oxygen
A) Whirlwind B) Smoke C) Breeze D) Gas E) Air
A) 0.03% B) 1% C) 21% D) 78% E) variable
A) The constituents of air still retain their individual properties B) The composition of air cannot be represented by a chemical formula as in the case of a compound C) If the appropriate proportions of each of the different consituents of air are mixed together under ordinary conditions, there will be no evidence of any chemical combination such as heat production or volume change D) The constituent of air can be separated easily by physical methods E) Air is solid at room temperature
A) Corrosion B) Melting C) Method D) Flaming E) Rusting
A) oxygen and salt B) chlorine and water C) sulphur and air D) oxygen and salt E) oxygen and water
A) electroplating B) galvanising C) drying D) painting E) greasing and oiling
A) Galvanising B) Painting C) Electroplating D) Greasing E) Oiling
A) platinum B) oiling C) plating D) enamel E) painting
A) no B) all of the above C) maybe D) yes E) i do not know
A) Chemical B) Reaction C) Spirit D) Solvent E) Catalyst
A) It is specific in action B) It has no effect on the equilibrum position of a reversible reaction C) It will affect the rate of a reaction even though it is present in a very small amount D) It cannot start a reaction E) A catalyst can affect the types of products formed in a reaction
A) State of reactant B) Order of reaction C) Condition of reaction D) Order of reactant E) Order the reaction
A) 9 B) 3 C) 0 D) 2 E) 1
A) one B) zero C) nine D) third E) second
A) second B) first C) third D) zero E) nine
A) zero B) second C) nine D) one E) third
A) presence of light B) presence of catalyst C) nature of the reactants D) surface area of the reactants E) colour of the reactants
A) Coiling theory B) Colliding theory C) Cooking theory D) Collision theory E) Thermodynamics theory
A) Catalase reaction B) all of the above C) reversible reaction D) Endothermic reaction E) Exothermic reaction
A) cold B) heat C) smoke D) all of the above E) air
A) Economics B) Yoruba C) Physics D) Chemistry E) Biology
A) Weight B) Mole C) Matter D) Mass E) Heavy object
A) Matter B) Weight C) Molecule D) Mass E) Science
A) 1 B) 7 C) 3 D) 2 E) 5
A) NH B) NH3 C) NH4 D) None of the above E) NH2
A) All of the above B) Atom C) Mass D) Molecule E) Matter
A) 15 B) 13 C) 16 D) 12 E) 14
A) 16 B) 12 C) 13 D) 15 E) 14
A) 10 B) 12 C) 9 D) 11 E) 8
A) 1.00moles B) 0.10moles C) 0.20moles D) 2.00m0les E) 0.04moles
A) 0 B) 4 C) 7 D) 9 E) 6
A) Al B) Ag C) Pb D) S E) Si
A) Pb B) P C) Po D) K E) None of the above |