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3816

Which of the substances is non-polar?

  • A. Bromine
  • B. Ammonia
  • C. Water
  • D. Hydrogen Bromide
View Answer & Discuss (1) WAEC 2019
3817

Which of the following pairs of components have the same molecular mass?

[ H = 1.0, C = 12.0, O = 16.0 ]

  • A. Ethene and Ethyne
  • B. Ethane and Ethene
  • C. Carbon (ii) Oxide and Ethene
  • D. Carbon (iv) Oxide and Ethyne
View Answer & Discuss WAEC 2019
3818

When an equilibrium is established between dissolved and undissolved solutes, the solution is said to be?

  • A. Saturated
  • B. Unsaturated
  • C. Concentrated
  • D. Diluted
View Answer & Discuss WAEC 2019
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3819

How many moles of carbon(iv)oxide contains 16.0g of oxygen?

[ C = 12.0, O = 16.0 ]

  • A. 0.20 mol
  • B. 0.25 mol
  • C. 0.40 mol
  • D. 0.50 mol
View Answer & Discuss (3) WAEC 2019
3820

Stoichiometry is based on the law?

  • A. multiple proportion
  • B. constant composition
  • C. conservation of energy
  • D. conservation of mass
View Answer & Discuss WAEC 2019
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