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Chemistry 1978 JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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46

An experiment test of the Law of conservation of Mass is illustrated in the diagram. In practice, the flask is weighed before and after reaction between solutions X and Y. Which of the following pairs of solutions will be unsuitable for the experiments

  • A. X = hydrochloric acid; Y = silver nitrate
  • B. X = barium chloride; Y = dilute sulphuric acid
  • C. X = hydrochloric acid; Y = sodium hydroxide
  • D. X = hydrochloric acid; Y = lead nitrate
  • E. X = hydrochloric acid; Y = sodium carbonate
View Answer & Discuss (17) JAMB 1978
47
Five compounds R,T,W,X and Y form the following compounds: a basic hydride R.H, an acidic hydride YH, atmospheric oxide W2O3, XO2. which of the elements is an alkali
  • A. R
  • B. T
  • C. W
  • D. X
  • E. Y
View Answer & Discuss (7) JAMB 1978
48

The size (diameter) of five elements are in the order R < T < W < X < Y, Y being the largest. If each atom has an electron situated on its circumference, and neglecting other factors, which of the atoms will lose its electron most reluctantly?

  • A. R
  • B. T
  • C. W
  • D. X
  • E. Y
View Answer & Discuss (16) JAMB 1978
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Post UTME Past Questions Agent
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