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Chemistry WAEC 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
1241

Which of the following statements is correct?

  • A. Covalent compounds would readily ionize in solution
  • B. Covalent compounds consist of ions
  • C. Hydrogen bond is formed between a metal and a non-metal
  • D. Ionic compounds in solution would conduct electricity
View Answer & Discuss WAEC 2017
1242

The bond angle in tetrahedral molecules such as tetrachloromethane is 

  • A. 180.0°
  • B. 109.5°
  • C. 105.5°
  • D. 90.0°
View Answer & Discuss WAEC 2017
1243

The properties of a good primary standard include the following except

  • A. high molecular mass
  • B. low molecular mass
  • C. high degree of purity
  • D. readily available
View Answer & Discuss (5) WAEC 2017
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1244

The use of diamond in abrasives is due to its

  • A. high melting point
  • B. hardness
  • C. octahedral shape
  • D. durability
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1245

Which of the following statements about endothermic reaction is correct?

  • A. Activation energy is high
  • B. A catalyst is required
  • C. It occurs reversibly
  • D. Heat energy is absorbed
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts