Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. JAMB
  4. /
  5. Chemistry
  6. /
  7. 1982
  8. /
  9. Q0
Question 0

1.00 g of the oxide of metal X (atomic mass = 64) gave 0.80 g of the metal when reduced with hydrogen.
The formula of the oxide is?

  • A.X2O
  • B.XO
  • C.XO2
  • D.X2O3
  • E.X3O4
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1982
Question no.
#0
Type
Objective
Previous · Q0In the chemical reaction A + B \(\to\) C + D, more of D is formed? Next · Q0 When a solution of silver (l) nitrate is saturated with hydrogen sulphide, a…

More from this paper

  • Q0An acid is said to be weak if?
  • Q0Which of the following statements is correct during the electrolysis of a…
  • Q0An amphoteric oxide is an?
  • Q0Water is poured over a white solid and a colourless neutral gas is evolved which…
  • Q0Cotton is almost pure?
  • Q0Which of the following types of reactions takes place between C 2 H 4 and the…
See all Chemistry 1982 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