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21

In the preparation of salts, the method employed will depend on the?

  • A. composition
  • B. dissociating ability
  • C. stability to heat
  • D. precipitating ability
View Answer & Discuss (4) JAMB 2022
22

Addition of sodium chloride to water to form a solution would  lead to?

  • A. increase in freezing point and increase the boiling point
  • B. increase in freezing point and decrease the boiling point
  • C. decrease in freezing point and decrease the boiling point
  • D. decrease in freezing point and increase the boiling point
View Answer & Discuss (3) JAMB 2022
23

H\(^+\) + OH\(^-\) → H\(_2\)O

The equation above illustrates

  • A. precipitation
  • B. hydration
  • C. hydrolysis
  • D. neutralization
View Answer & Discuss (6) JAMB 2022
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208