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