Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. OAU
  4. /
  5. Chemistry
  6. /
  7. 2019/2020
  8. /
  9. Q8
Question 8

Which of the following is used as a ripening agent for fruits?

  • A.methane
  • B.propene
  • C.ethane
  • D.butane
Objective

Question details

Exam body
OAU
Subject
Chemistry
Year
2019/2020
Question no.
#8
Type
Objective
Previous · Q7When a solid changes into gaseous form, without passing through lliquid state… Next · Q9 The oxides that will react further with oxygen to form higher oxides are

More from this paper

  • Q22SO 2 + O 2 → 2SO 2 . In the equation above, the substance that will…
  • Q3Which of the following types of bonding does not involve the formation of new…
  • Q4In the equation m = ZQ.Z represents
  • Q5........ is often used for vulcanization of rubber
  • Q6Deliquescent substances are used for
  • Q10Determine the molar mass of a compound, if 0.4 mole of it has a mass of 40g
See all Chemistry 2019/2020 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