Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 2002
  8. /
  9. Q21
Question 21

What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for reaction is 2NH3(g) → N2(g) + 3H2(g)

  • A.50cm3
  • B.150cm3
  • C.200cm3
  • D.300cm3
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2002
Question no.
#21
Type
Objective
Previous · Q20Which of the following decreases when a given mass of gas is compressed to half… Next · Q22 Calculate the mass of chlorine gas which occupies a volume of 1.12 dm\(^3\) a…

More from this paper

  • Q17The conclusion from Rutherford's alpha-scattering experiment is that
  • Q18An element Y has the electronic configuration 1s 2 2s 2 2p 6 6 2 3p 4 . To what…
  • Q19If a metal R forms a compound with the formula R(NO 3 ) 2 , the formula of its…
  • Q23Determine the mass of sulphur (IV) oxide obtained when 91.0g of oxygen reacts…
  • Q24The gas given off when NH 4 Cl is heated with an alkali is
  • Q25A major factor considered in selecting a suitable method for preparing a simple…
See all Chemistry 2002 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