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Chemistry 1988 WAEC Past Questions

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11
Detergents are better than soaps for laundry because
  • A. detergents are synthetic while soaps are not
  • B. detergents are more soluble in water than soaps
  • C. scum is precipitated when soaps are used with hard water but not with stergents
  • D. soaps from soluble saits with ions causing hardness of water while detergents do not
  • E. soaps are in bars while detergents are in powder form
View Answer & Discuss WAEC 1988
12
Which of the following is used as an anaesthetic?
  • A. CHI3
  • B. CHCI3
  • C. CH3OH
  • D. C2H5OH
  • E. CHBr3
View Answer & Discuss (2) WAEC 1988
13
Which of the following types of hybridization gives rise to tetrahedral molecules?
  • A. sp
  • B. sp2
  • C. sp3
  • D. sp3d
  • E. sp3d2
View Answer & Discuss (5) WAEC 1988
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
14
Which of the following is a neutral oxide?
  • A. Nitrogen (IV0 oxide
  • B. Carbon (IV) oxide
  • C. Sulphur (IV) oxide
  • D. Phodphoorus (IV) oxide
  • E. Nitrogen oxide
View Answer & Discuss (3) WAEC 1988
15
Which of the following statements is not correct?
  • A. Carbon exhibits allotropy
  • B. Sulphur exhibits allotropy
  • C. Chlorine exhibits allotopy
  • D. Nitrogen is a gas
  • E. Argon is a noble gas
View Answer & Discuss (1) WAEC 1988
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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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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709