Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 1996
  8. /
  9. Q16
Question 16

What does X represent in the following equation? H 2(g) + 1/2O2(g) → H2O (l); ∆H = xKJ.

  • A.Bond energy
  • B.Activation energy
  • C.Ionization energy
  • D.Enthalpy of neutralization
  • E.Enthalpy of formation
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1996
Question no.
#16
Type
Objective
Previous · Q15The rate of production of hydrogen gas from the reaction between zinc granules… Next · Q17 If the third member of a homologous series is C 3 H 8 , the fifth member will be

More from this paper

  • Q12In which of the following compounds is the oxidation number of nitrogen equal to…
  • Q13Which of the following statements is not correct about electrolysis?
  • Q14Which of the following is not correct about a catalyst? It
  • Q18Which of the following exhibits resonance?
  • Q19On exposing palm wine to air for some days, it becomes sour owing to the…
  • Q20When acidified KMnO 4 solution is decolorised by ethene, the gas acts as
See all Chemistry 1996 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy