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