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The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively,...

Chemistry
JAMB 1978
The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively, therefore
  • A. none of these solutions is acidic
  • B. the pH of Y is made more acidic by addition of distilled water
  • C. Z is the most acidic solution
  • D. W is the most acidic solution
  • E. X is neutral
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Correct Answer: Option D
Explanation
W is the most acidic solution since 4 < 6 < 8 < 10. The lower the value on the pH scale, the more acidic a solution.
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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
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 offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709