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Chemistry 2004 WAEC Past Questions

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26
WHICH OF THE FOLLOWING SALTS IS READILY SOLUBLE IN WATER?
  • A. PbCI2
  • B. Pb(NO 3) 2
  • C. PbSO4
  • D. PbCO 3
View Answer & Discuss (1) WAEC 2004
27

Which of the following factors that affect the rate of chemical reactions can be explained in terms of the collision theory? l. concentration ll. pressure lll. temperature lV catalyst

  • A. l and ll only
  • B. l, ll and lll only
  • C. l and lll only
  • D. l, II, lll and IV only
View Answer & Discuss (7) WAEC 2004
28
An orange drink concentrate is suspected to contain traces of poisonous green dye and a harmless dye having the same boiling point. Which of the following techniques is most suitable for isolating the dyes?
  • A. Fractional distillation
  • B. Paper chromatography
  • C. Coagulation
  • D. Recrystallization
View Answer & Discuss WAEC 2004
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29
If 60 cm3 of gas is heated from 27oC TO 50oC, what is the new volume of the gas at constant pressure?
  • A. 32.4cm 3
  • B. 55.7cm3
  • C. 64.6cm3
  • D. 111.1cm3
View Answer & Discuss WAEC 2004
30
Consider the cell represented below: Zn/Zn2+(aq) // Cu2+(aq) / Cu(s). Which of the following statements is correct about the cell
  • A. Zn is oxidized to Zn2+
  • B. Cu is oxidized to Cu2+
  • C. It is an electrolytic cell
  • D. each single line represents a salt bridge
View Answer & Discuss WAEC 2004
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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