Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. BECE
  4. /
  5. Basic Science
  6. /
  7. 2012 Paper 1
  8. /
  9. Q25
Question 25

The percentage of "Active Air" which supports burning is about

  • A.0.3
  • B.21.0
  • C.25.0
  • D.33.3
  • E.78.0
Objective

Question details

Exam body
BECE
Subject
Basic Science
Year
2012 Paper 1
Question no.
#25
Type
Objective
Previous · Q24The following methods can be used to purify water EXCEPT Next · Q26 The following are contact forces EXCEPT

More from this paper

  • Q21The following can prevent rusting of Iron EXCEPT
  • Q22A substance containing two or more elements chemically combined together is…
  • Q23Which of these is NOT a product of the destructive distillation of coal?
  • Q27A girl of mass 25kg climbs up 8 steps, each of height 0.25m, in 20s. Calculate…
  • Q28Which of the following conditions is work done?
  • Q29The energy from the sun can be converted to electrical energy by the use of a
See all Basic Science 2012 Paper 1 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