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A pair of compounds that can be used to generate a gas which has physiological...

Chemistry
JAMB 1999

A pair of compounds that can be used to generate a gas which has physiological effect on human beings is

  • A. sodium trioxonitrate (V) and calcium chloride
  • B. sodium dioxonitrate (III) and ammonium chloride
  • C. sodium trioxonitrate (V) and ammonium chloride
  • D. sodium dioxonitrate (III) and potassium chloride
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Correct Answer: Option C
Explanation

The reaction between NaNO\(_3\) and NH\(_4\)Cl gives NaCl and NH\(_4\)NO\(_3\).

Upon heating, NH\(_4\)NO\(_3\) yields 2 moles of H\(_2\)O and N\(_2\)O.

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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts