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