Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNIBEN
  4. /
  5. General Paper
  6. /
  7. 2007/2008
  8. /
  9. Q20
Question 20

Which of the following salts can be melted with decomposition.

  • A.Na2CO3
  • B.CaCO3
  • C.MgCo3
  • D.ZnCo3
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2007/2008
Question no.
#20
Type
Objective
Previous · Q19Which of the following gases will rekindle a brightly glowing splint Next · Q21 A lamp is rated 240V, 60W the resistance of the filament is

More from this paper

  • Q16The air around a petroleum refinery is most likely to contain
  • Q17Simply (1 1 / 2 )/2 1 / 4 of 32
  • Q18The base of a pyramid is a square side If its vertex is directly above the…
  • Q22The number of neutrons contained in nucleus of U 92 238 is
  • Q23Which of the following is the most suitable for use as an altimeter?
  • Q24When a plane mirror at which a ray is incident is rotated through an angle…
See all General Paper 2007/2008 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