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PES SS1 CHEMISTRY - Quiz
Contributed by: Olowookere
  • 1. ____occurs naturally as graphite
A) Aluminium
B) Carbon
C) Calcium
D) Copper
E) Colgate
  • 2. There are _____ allotropes of carbon
A) 5
B) 4
C) 6
D) 2
E) 3
  • 3. The existence in the same physical state of two or more structural forms of the same element is known as ____
A) isotopy
B) ionization
C) allotropy
D) hybridization
E) eclipse
  • 4. Amorphous carbon are also known as___ carbon
A) non-amorphous
B) non-crystalline
C) solid
D) amorphous
E) crystalline
  • 5. Example of a crystalline carbon is____
A) animal charcoal
B) sugar charcoal
C) coal
D) wood charcoal
E) diamond
  • 6. _____ is a good conductor of heat and electricity
A) non of the above
B) Diamond
C) Oxygen
D) Graphite
E) Coke
  • 7. ____ have high resistant to temperature and chemical attack
A) Graphite
B) Coal tar
C) Diamond
D) Charcoal
E) Wood charcoal
  • 8. Which of these exist as black, slippery crystal
A) graphite
B) wood
C) diamond
D) all of the above
E) charcoal
  • 9. Which allotrope of carbon can be used in the manufacture of lead pencils
A) wood
B) coke
C) diamond
D) coal
E) graphite
  • 10. ___ is used to sharpen very hard tool
A) Copper
B) Iron
C) Sharpener
D) Diamond
E) Graphite
  • 11. Graphite is ____ in shape
A) hexagonal
B) nonagonal
C) octahedral
D) butagonal
E) pentagonal
  • 12. Diamond is _____in shape
A) all of the above
B) octahedral
C) hexahedral
D) heptahedral
E) decahedral
  • 13. What is the colour of diamond
A) white
B) colourless
C) blue
D) pink
E) purple
  • 14. The carbon molecules in diamond are closely packed and held by strong _____bond
A) electrovalent
B) covalent
C) ionic
D) metallic
E) dative
  • 15. Which of the allotrope of carbon can be used as jewellery
A) wood
B) coal
C) none of the above
D) graphite
E) diamond
  • 16. What is the impurity that is present in wood charcoal
A) pottasium
B) calcium tetraoxophosphate (v)
C) hydrogen
D) phosphorus
E) sulphur
  • 17. In the periodic table, groups are numbered from____to___
A) 0-8
B) 1-9
C) 0-7
D) 1-8
E) 6-7
  • 18. Group are found in the ____ column
A) lateral
B) apex
C) vertical
D) horizontal
E) upside down
  • 19. Periods are found in the ____ column
A) horizontal
B) lateral
C) backward
D) vertical
E) apex
  • 20. Periods are numbered from ______ to ____
A) 1-8
B) 0-7
C) 1-7
D) 0-8
E) 1-5
  • 21. In between Group 2and 3 lie ___ element
A) reversible
B) upcoming
C) gone
D) transition
E) reversal
  • 22. Which group is referred to as noble gases
A) group 4
B) group 3
C) group 2
D) group 0
E) group1
  • 23. which groups are known as halogens
A) group 8
B) group 6
C) group 9
D) group 5
E) group 7
  • 24. Calcium is found in what group of the periodic table
A) group 3
B) group 5
C) group 2
D) group10
E) group 0
  • 25. Group____ are referred to as alkaline earth metal
A) 6
B) 2
C) 4
D) 5
E) 3
  • 26. Calculate the molar mass of Potassium chloride(k=39, Cl=35.5)
A) 74.5gmol
B) 74gmol
C) 58.5gmol
D) 24gmol
E) 47gmol
  • 27. What is the most active constituent of air?
A) Noble vapour
B) Nitrogen
C) Carbon(iv)oxide
D) Water vapour
E) Oxygen
  • 28. ____ is the mixture of gases in the atmosphere
A) Whirlwind
B) Gas
C) Air
D) Breeze
E) Smoke
  • 29. What is the percentage of nitrogen in air?
A) variable
B) 1%
C) 78%
D) 0.03%
E) 21%
  • 30. All of these are evidence that air is a mixture except
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 constituent of air can be separated easily by physical methods
C) The constituents of air still retain their individual properties
D) Air is solid at room temperature
E) The composition of air cannot be represented by a chemical formula as in the case of a compound
  • 31. The corrosion of iron is known as _____
A) Melting
B) Flaming
C) Corrosion
D) Rusting
E) Method
  • 32. Corrosion of metals results from the combined action of atmospheric ___ and____
A) chlorine and water
B) oxygen and salt
C) oxygen and salt
D) sulphur and air
E) oxygen and water
  • 33. Ways of preventing iron from rusting include all except____
A) greasing and oiling
B) galvanising
C) electroplating
D) drying
E) painting
  • 34. _____is a process of preventing iron from rusting by protecting it with other metals like copper, tin, gold and silver
A) Painting
B) Greasing
C) Galvanising
D) Oiling
E) Electroplating
  • 35. The application of paint to iron to prevent it from rusting is known as _____
A) plating
B) oiling
C) enamel
D) painting
E) platinum
  • 36. Is air a mixture?
A) maybe
B) all of the above
C) no
D) i do not know
E) yes
  • 37. ____ alters the rate of a chemical reaction
A) Chemical
B) Spirit
C) Catalyst
D) Solvent
E) Reaction
  • 38. The characteristics of catalyst include all except one
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 is specific in action
D) It cannot start a reaction
E) It has no effect on the equilibrum position of a reversible reaction
  • 39. _____ is the sum of the powers of the concentration of the reactants which appear in the rate of reaction
A) Order the reaction
B) Order of reactant
C) Condition of reaction
D) State of reactant
E) Order of reaction
  • 40. There are how many categories of order of reaction?
A) 0
B) 2
C) 1
D) 9
E) 3
  • 41. If the rate depends on the square of the concentration of A, that is (A)2, then the reaction is _____order
A) one
B) nine
C) zero
D) third
E) second
  • 42. If the rate of reaction is proportional to the concentration of a reactant, A, then the reaction is ___ order
A) nine
B) first
C) second
D) zero
E) third
  • 43. If the concentration of the reactant does not affect the rate of reaction, then it is ____order
A) nine
B) one
C) zero
D) third
E) second
  • 44. All except one are factors affecting the rate of chemical reactions
A) presence of catalyst
B) nature of the reactants
C) colour of the reactants
D) presence of light
E) surface area of the reactants
  • 45. _____ states that for a chemical reaction to occur, the reacting particles must collide with one another
A) Cooking theory
B) Coiling theory
C) Collision theory
D) Thermodynamics theory
E) Colliding theory
  • 46. _____ leads to the release of heat to the environment
A) Exothermic reaction
B) Catalase reaction
C) Endothermic reaction
D) all of the above
E) reversible reaction
  • 47. In endothermic reaction____ is absorbed
A) air
B) all of the above
C) heat
D) cold
E) smoke
  • 48. ____ is the science that is concerned with the composition and the structure of matter and with the forces that hold the structures together
A) Chemistry
B) Economics
C) Physics
D) Biology
E) Yoruba
  • 49. Anything that has mass and occupies space is called ____
A) Matter
B) Mole
C) Weight
D) Heavy object
E) Mass
  • 50. ____ is a measure of the quantity of matter
A) Weight
B) Molecule
C) Matter
D) Mass
E) Science
  • 51. Matter exist in how many state?
A) 2
B) 7
C) 1
D) 3
E) 5
  • 52. Ammonia is written as____
A) NH4
B) NH2
C) NH
D) NH3
E) None of the above
  • 53. _____ is the smallest particle of a substance that is capable of independence existence and still retains the chemical properties of that substance
A) Matter
B) Molecule
C) All of the above
D) Atom
E) Mass
  • 54. What is the mass number of an element with atomic number 6 and 8 number of neutron
A) 12
B) 16
C) 15
D) 14
E) 13
  • 55. What is the atomic number of an element with mass number of 25 and neutron number 13
A) 15
B) 12
C) 14
D) 16
E) 13
  • 56. What is the number of neutron of an element with mass number of 16 and proton number of 8
A) 11
B) 9
C) 8
D) 12
E) 10
  • 57. How many moles of electrons is required to deposit 5.6g of iron from a solution of iron(ll) tetraoxosulphate(vi)? (Fe=56, S=32, O=16)
A) 0.20moles
B) 2.00m0les
C) 0.10moles
D) 1.00moles
E) 0.04moles
  • 58. Nitrogen is number what in the periodic table?
A) 7
B) 6
C) 4
D) 9
E) 0
  • 59. The symbol of silver is written as
A) Ag
B) Si
C) Al
D) Pb
E) S
  • 60. Potassium is written as
A) Po
B) None of the above
C) P
D) Pb
E) K
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