Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNN
  4. /
  5. Chemistry
  6. /
  7. 2017/2018 DAY 1
  8. /
  9. Q7
Question 7

A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180, find the molecular formula.

  • A.C6H6O3
  • B.C6H12O6
  • C.C3H6O3
  • D.CH2O
Objective

Question details

Exam body
UNN
Subject
Chemistry
Year
2017/2018 DAY 1
Question no.
#7
Type
Objective
Previous · Q6The colour of metyl orange in alkaline medium is Next · Q8 Which of these represents a redox reaction?

More from this paper

  • Q3The alkanol obtained from the production of soap is
  • Q4Some metals are extracted form their ores after some preliminary treatments by…
  • Q5Which of the following will liberate hydrogen from steam or dilute acid?
  • Q9The acid that is used to remove rust is
  • Q10A compound commonly used for the sterilization and preservation of specimens and…
  • Q11The relative mass of a naturally occuring lithium consisting of 90% 7 3 Li and…
See all Chemistry 2017/2018 DAY 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