Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. BUK
  4. /
  5. Chemistry
  6. /
  7. 2011/2012
  8. /
  9. Q66
Question 66

Which of the following expression gives the percentage by mass of nitrogen in NH4NO3? (H=1, N=14, O=16)

  • A. 14 × 100
  • B. 14 × 10
  • C. 28 × 100
  • D. 14 × 80
  • E. 28 × 80
Objective

Question details

Exam body
BUK
Subject
Chemistry
Year
2011/2012
Question no.
#66
Type
Objective
Previous · Q65Equal volume of all gases at the same temperature and pressure contain the same… Next · Q67 A solution of PH=7 is

More from this paper

  • Q62When an atom gains an electron it becomes
  • Q63The alkali metals exhibit simliar chemical properties because
  • Q64What is the likely formula of a compound formed between element M in group two…
  • Q68Amphoteric oxides are oxides which
  • Q69The following acids are mono basic except
  • Q70An arrangement of two different metals in aqueous solution of their salts to…
See all Chemistry 2011/2012 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