Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. OAU
  4. /
  5. Chemistry
  6. /
  7. 2009/2010
  8. /
  9. Q6
Question 6

50cm3 of hydrogen are sparked with 100cm3 of oxygen at 110°C and 1 atm. If the whole reaction mixture passes through an alkaline solution pyrogallol, the volume of the residual gas is

  • A.125cm3
  • B.100cm3
  • C.75 cm3
  • D.50 cm3
Objective

Question details

Exam body
OAU
Subject
Chemistry
Year
2009/2010
Question no.
#6
Type
Objective
Previous · Q5The pressure exerted by a sample of a gas confined in 5.86dm 3 container at 20°C… Next · Q7 Inter - atomic combinations involves the

More from this paper

  • Q2The most reactive halogen is
  • Q30.79g of a gas at s.t.p. occupied a volume of 250cm 3 . What is the relative…
  • Q4The relationship between the density (d) of a gas and the rate (r) at which the…
  • Q8Which of the following is not a characteristic property of ionic compounds?
  • Q9The compound with the highest ionic character among the following is
  • Q10Why is the hydrogen gas not found in the atmosphere? It readily reacts with
See all Chemistry 2009/2010 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