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