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