Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 2012
  8. /
  9. Q12
Question 12

The complex compound formed when aluminium dissolves in aqueous sodium hydroxide is

  • A.Na3AI(OH)4.
  • B.NaA1(OH)4
  • C.NaA1(OH)3
  • D.Na2A1(OH)3
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2012
Question no.
#12
Type
Objective
Previous · Q11The complex compound formed by the combination of two elements with a large… Next · Q13 The vapour pressure of a liquid depends on l. temperature. ll. rate of…

More from this paper

  • Q8Which of the following elements is a metalloid?
  • Q9Which of the following halogens is liquid at room temperature?
  • Q10The shape of a graphite crystal is
  • Q14MgO does not readily dissolve in water because
  • Q15Consider the following reaction equation: CaCO 3(s) + 2HCI (aq) → CaCl 2(aq) + H…
  • Q16The number of sulphur atoms in 3.20g of SO 2(g) is [O = 16.0;S = 32.0; Avogadro…
See all Chemistry 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