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3376

Graphite and Diamond are similar in that they

  • A. have octahedral shape
  • B. have same density
  • C. form carbon(IV) oxide on combustion
  • D. conduct electricity
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3377

In a saturated solution at a given temperature, the undissolved solutes are in equilibrium with

  • A. the solvent
  • B. dissolved solute particles
  • C. the saturated solution
  • D. insoluble solute particles
View Answer & Discuss (11) WAEC 2017
3378

The number of atoms present in 2.5moles of a triatomic gas is equivalent to   [1mole = \(6.02\times 10^{23}\)]

  • A. \(2.5\times 10^{23}\)
  • B. \(1.5\times 10^{23}\)
  • C. \(1.5\times 10^{24}\)
  • D. \(2.5\times 10^{24}\)
View Answer & Discuss (2) WAEC 2017
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3379

When Magnesium reacts with oxygen, heat is 

  • A. absorbed and the reaction is endothermic
  • B. evolved and the reaction is endothermic
  • C. evolved and the reaction is exothermic
  • D. absorbed and the reaction is exothermic
View Answer & Discuss (2) WAEC 2017
3380

Which of the following gases is not acidic?

  • A. \(SO_{3}\)
  • B. \(NO_{2}\)
  • C. \(Co_{2}\)
  • D. CO
View Answer & Discuss (2) WAEC 2017
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