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Which of the following is a general method of preparing acids?

Chemistry
WAEC 1997

Which of the following is a general method of preparing acids?

  • A. Direct combination of constituent elements
  • B. Reaction between a base and an amphoteric oxide
  • C. Double decomposition involving a salt solution
  • D. Reaction between an anhydride and water
  • E. Dissolution of hydroxides followed by neutralization
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Correct Answer: Option A
Explanation
  • (1) By dissolution of acid anhydride.
  • (2) By combination of constituent elements. 
  • (3) By the use of stronger acids with salts of weaker ones so as to liberate the weaker acids.
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WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709