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Chemistry 2015 JAMB Past Questions

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41

Detergents are manufactured with straight hydrocarbon chains, is to make them

  • A. soluble
  • B. biodegradable
  • C. cheaper
  • D. foamy
View Answer & Discuss JAMB 2015
42

Which of the following results in the fall of acid rain?

  • A. oxide of lead
  • B. particulate matter
  • C. oxides of sulphur
  • D. gaseous hydrocarbon
View Answer & Discuss (7) JAMB 2015
43

The furring of kettles is caused by the presence of what compound in water?

  • A. calcium tetraoxosulphate (IV)
  • B. calcium hydrogentrioxocarbonate (IV)
  • C. calcium hydroxide
  • D. calcium trioxocarbonate (IV)
View Answer & Discuss (8) JAMB 2015
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44
A difference between chemical and physical change is that in a chemical change
  • A. oxygen is consumed
  • B. heat is supplied
  • C. the reversible process occurs
  • D. a new substance is formed
View Answer & Discuss JAMB 2015
45
According to the kinetic theory an absence in temperature causes the kinetic energy of particles to
  • A. decrease
  • B. increase
  • C. remain constant
  • D. be zero
View Answer & Discuss (13) JAMB 2015
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