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