Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Chemistry
  6. /
  7. 2011/2012
  8. /
  9. Q22
Question 22

The atomic numbers of two elements X and Y are 12 and 9 respectively. The bond in the compound formed between the two elements is?

  • A.ionic
  • B.covalent
  • C.neutral
  • D.co-ordinated.
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2011/2012
Question no.
#22
Type
Objective
Previous · Q21Which of the following substances is a mixture? Next · Q23 In the purification of town water supply, alum is used principally to:

More from this paper

  • Q18In the equation below: NO 3 - + 8H + ⟶ NH 3 + 2H 2 O Nitrogen is reduced from…
  • Q19Nitrogen is very uncreative because_____
  • Q20A brand of ink containing cobalt (II), copper (II) and iron can best be…
  • Q24An increase in temperature causes an increase in the pressure and the _____
  • Q25The energy change accompanying the addition of an electron to a gaseous atom is…
  • Q26An eruption polluted an environment with a gas suspected to be H 2 S, a…
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